China is the world’s largest producer of petrochemicals, accounting for over 35% of global capacity. Chinese petrochemical companies have expanded rapidly through domestic mega-projects and international acquisitions. These companies play a crucial role in the global supply of ethylene, propylene, aromatics, synthetic rubber, and advanced materials. Below are the top 10 petrochemical companies in China in 2026, ranked by revenue, production capacity, and global influence.
For procurement teams, company size is only the starting point. A large Chinese petrochemical producer may be strong in ethylene, polymers, synthetic rubber, or specialty chemicals but still be the wrong source for a specific grade, purity requirement, or order volume. Industrial buyers should compare manufacturers based on the actual product specification, production capability, COA consistency, export experience, packaging requirements, and hazardous-goods documentation—not simply revenue or brand recognition.
Sourcing Petrochemicals from China?
If you are sourcing petrochemicals or industrial chemicals from China, send CAMAL the chemical name, required grade or purity, quantity, packaging requirement, and destination. Our team can identify suitable Chinese manufacturers, verify supplier credentials and product documentation, coordinate samples or inspections, and manage the procurement process before you commit to a TT payment.
1. Sinopec Corp

Sinopec Corp logo
Company Overview
Sinopec Corp. (China Petroleum & Chemical Corporation) is one of the largest integrated energy and chemical companies in the world. Founded in 1998 and headquartered in Beijing, Sinopec operates across the entire oil and gas value chain – from upstream exploration to downstream sales of refined products and petrochemicals. In 2025, Sinopec reported operating income of RMB 2.78 trillion, reflecting the scale of its integrated refining, fuel, and chemical operations.
Key Petrochemical Products and Specialties
Sinopec has a broad refining and petrochemical portfolio covering fuels, lubricants, synthetic rubber, resins, synthetic fibers, and major petrochemical feedstocks. Its integrated refining and chemical operations allow the company to supply both commodity petrochemicals and specialized materials for industrial applications.
- Oil Refining Technology: Sinopec has developed advanced refining technologies, producing high-quality fuels and lubricants. Their refineries are some of the most sophisticated in the world, allowing them to convert crude oil into cleaner fuels.
- Petrochemicals: Sinopec’s petrochemical division is known for producing essential raw materials, including synthetic rubbers, resins, and synthetic fibers. These products are critical for the production of a variety of consumer and industrial goods.
- Specialized Products: One notable product from Sinopec is its line of synthetic rubber, widely used in the automotive and manufacturing sectors due to its high durability and resistance to wear. Sinopec also produces ethylene, which is a key feedstock in the production of plastics and other polymers.
Achievements
Sinopec has achieved significant milestones, both in terms of technological advancements and market growth:
- Environmental Sustainability: Sinopec has made strides in environmental protection by reducing emissions in its refining processes and introducing cleaner fuels that meet stringent environmental standards. The company has invested heavily in green energy solutions, including biofuels and renewable energy projects.
- Global Expansion: Sinopec has expanded its operations internationally, establishing a presence in markets across Africa, Europe, and Asia. The company has also been involved in various overseas oil exploration projects, contributing to global energy security.
- Research & Development: Sinopec continues to invest heavily in research and development across hydrogen, carbon capture, advanced materials, and low-carbon chemical technologies. The company operates eight directly affiliated research institutes, alongside overseas R&D institutions and additional research organizations across its subsidiaries.
2. China National Petroleum Corporation (CNPC)

Company Overview
CNPC is a state-owned enterprise and China’s largest integrated energy company by asset value. Established in 1988 and headquartered in Beijing, CNPC operates across the entire energy value chain. Through its publicly traded subsidiary PetroChina, CNPC is one of the world’s largest oil and gas producers. CNPC operates in over 80 countries and is a critical pillar of China’s energy security strategy.
Key Products and Operations
CNPC provides a wide array of equipment and technology solutions tailored for the oil and gas industry. The company is known for its advanced equipment that supports both upstream and downstream operations, from exploration to refining.
- Oil Drilling Equipment: CNPC manufactures high-quality drilling rigs and equipment, which are essential for oil and gas exploration. Their rigs are known for their durability and efficiency, particularly in complex environments such as deep-water drilling.
- Pipeline Technology: CNPC specializes in pipeline construction and maintenance equipment. They are involved in building some of the world’s longest and most technically advanced pipelines for the transportation of oil and gas. A notable product in this segment is their Advanced Pipeline Inspection Tools, which are equipped with intelligent sensors to detect any potential leaks or weaknesses.
- Petrochemical Products: CNPC also produces a range of petrochemical products, including fertilizers, synthetic fibers, and polymers. One of their flagship products is Polyethylene, which is widely used in the production of plastics and packaging materials. CNPC’s polyethylene products are known for their high quality and competitive pricing.
Achievements
CNPC has made significant strides in the energy and petrochemical sectors, with several key achievements:
- Global Leadership in Energy Production: CNPC is one of the largest producers of crude oil and natural gas in the world. The company continues to expand its reserves and production capacity through successful exploration activities in both domestic and international markets.
- Technological Innovation: CNPC has consistently invested in research and development to enhance its oil recovery technologies. The company has pioneered methods such as Enhanced Oil Recovery (EOR) to maximize the extraction of oil from aging fields, leading to improved efficiency and output.
- Sustainability Initiatives: CNPC is actively working towards reducing its carbon footprint by investing in renewable energy projects and promoting cleaner fuel technologies. The company is also involved in carbon capture and storage (CCS) projects, which aim to reduce greenhouse gas emissions from its operations.
3. CNOOC Limited

Company Overview
CNOOC Limited is China’s largest offshore oil and gas producer, focused on exploration, development, and production. Established in 1982 and headquartered in Beijing, CNOOC is known for its deep-water expertise and operates both in China and across a broad portfolio of overseas oil and gas projects. The company is a major contributor to China’s energy security, accounting for over 70% of the country’s offshore oil production.
Key Offshore Operations and Technologies
CNOOC Limited is renowned for its state-of-the-art equipment and technological advancements, particularly in offshore oil and gas operations. The company has been able to leverage cutting-edge technology to efficiently extract energy resources from some of the most challenging environments.
- Deep-water Drilling Rigs: CNOOC operates advanced deep-water drilling rigs that are designed for ultra-deep water environments. One of their flagship rigs, HYSY 981, is a semi-submersible drilling platform that has played a key role in deep-sea exploration in the South China Sea. The rig can operate in water depths of up to 3,000 meters and drill wells up to 10,000 meters deep, showcasing CNOOC’s engineering excellence.
- FPSO (Floating Production, Storage and Offloading) Units: CNOOC also utilizes FPSO units, which are essential for processing and storing hydrocarbons from offshore oil fields. One of their key FPSO units, Haiyangshiyou 117, can handle up to 170,000 barrels of oil per day, making it one of the most efficient in the world.
- Subsea Production Systems: CNOOC has heavily invested in subsea production systems, which are critical for extracting oil and gas from undersea reservoirs. These systems include subsea trees, pipelines, and control systems that help manage oil and gas flow from deep-sea wells to onshore facilities.
Achievements
CNOOC has made significant progress in the energy sector, both in China and globally. Some of the company’s key achievements include:
- Largest Offshore Oil and Gas Producer in China: CNOOC Limited is China’s largest producer of offshore crude oil and natural gas, with major producing assets in areas including Bohai Bay and the South China Sea. This positions the company as a vital contributor to China’s energy security.
- Global Expansion: CNOOC has successfully expanded its operations beyond China. The company has made major acquisitions, such as the purchase of Nexen Inc., a Canadian oil and gas company, in 2013. This acquisition greatly increased CNOOC’s reserves and production capacity, particularly in North America.
- Technological Innovations: CNOOC has consistently invested in research and development to improve the efficiency and safety of offshore drilling. The company has made strides in developing cleaner energy technologies and improving the environmental sustainability of its operations, including reducing emissions and protecting marine ecosystems.
4. PetroChina

Company Overview
PetroChina is the publicly traded subsidiary of CNPC and one of the world’s largest oil and gas companies by revenue. Established in 1999 and headquartered in Beijing, PetroChina operates across upstream (exploration and production), midstream (pipelines and LNG), and downstream (refining and marketing). In 2025, PetroChina reported operating revenue of approximately RMB 2.86 trillion, reflecting the scale of its upstream, pipeline, refining, and marketing operations.
Key Products and Operations
PetroChina is known for its massive infrastructure and equipment base, crucial for large-scale energy extraction and processing:
- Pipelines: PetroChina has one of the most extensive oil and gas pipeline networks in the world. This includes the West-East Gas Pipeline, which delivers natural gas from China’s western regions to the more populated eastern areas. The pipeline is critical to meeting China’s domestic energy demands.
- Refining Equipment: PetroChina operates multiple refineries across China, with advanced refining technologies allowing the production of petroleum products like gasoline, diesel, and jet fuel. These refineries are equipped to handle both conventional and unconventional oil sources.
- Offshore and Onshore Drilling Rigs: PetroChina operates a variety of advanced drilling rigs, both onshore and offshore. These rigs are essential for oil extraction in challenging environments. The company’s recent investment in intelligent drilling technologies enhances its efficiency and reduces environmental impact.
- LNG Facilities: PetroChina is heavily invested in liquefied natural gas (LNG) infrastructure, including LNG terminals that are critical for importing and storing gas. These facilities ensure that China can meet its growing energy needs through diversified sources.
Achievements
- World’s Largest Oil Company by Market Value: PetroChina is one of the world’s top oil and gas companies by market capitalization. It frequently ranks among the Fortune Global 500, reflecting its dominant position in the energy industry.
- Expanding Global Presence: PetroChina has established operations in more than 30 countries, securing strategic partnerships and energy resources globally. Its international ventures include exploration and production projects in Central Asia, Africa, and Latin America.
- Sustainability Initiatives: In recent years, PetroChina has focused on improving its environmental sustainability. The company is actively investing in renewable energy sources, such as wind and solar, and working to reduce its carbon footprint through advanced technologies in its refining and production processes.

PetroChina operates large integrated refining and processing facilities that support petroleum fuels, petrochemical intermediates, and related downstream products.
5. China National Chemical Corporation (ChemChina)

Company Overview
ChemChina is a state-owned enterprise and one of the world’s largest chemical companies. Established in 2004 and headquartered in Beijing, ChemChina grew rapidly through acquisitions, most notably the $43 billion purchase of Syngenta (2017). In 2021, ChemChina merged with Sinochem Group to form Sinochem Holdings, now the world’s largest chemical company by revenue. As of 2026, the ChemChina brand is being phased out in favor of Sinochem Holdings.
Key Chemical Products and Specialties
ChemChina specializes in a broad range of industrial chemicals and advanced materials, with notable strengths in the following areas:
- Specialty Chemicals: ChemChina produces specialty chemicals used in industries such as electronics, automotive, construction, and pharmaceuticals. The company’s focus on advanced materials helps meet the needs of high-tech industries worldwide.
- Agricultural Chemicals: Through its acquisition of Syngenta, ChemChina has become a global leader in agrochemical products. This includes herbicides, insecticides, and genetically modified seeds that are essential for modern farming practices.
- Petrochemical and Refining Operations: ChemChina has a significant presence in refining and petrochemical production. Its operations convert petroleum-based feedstocks into materials used in plastics, synthetic fibers, rubber, and other downstream chemical products.
- Rubber and Tire Manufacturing: ChemChina is one of the world’s largest producers of tires and synthetic rubber. The company owns several well-known global brands, including Pirelli, a leader in premium tire production.
Achievements
- Acquisition of Syngenta: ChemChina’s $43 billion acquisition of Syngenta in 2017 was one of the largest foreign acquisitions by a Chinese company. This deal positioned ChemChina as a global leader in the agribusiness and chemical sectors, expanding its presence in international markets.
- Top 500 Global Companies: ChemChina consistently ranks among the Fortune Global 500, reflecting its scale, financial strength, and global influence in the chemical industry.
- Environmental Initiatives: ChemChina has made significant strides toward sustainability, investing in green technologies and initiatives to reduce emissions across its manufacturing processes. The company is committed to balancing growth with environmental responsibility.

ChemChina presents its chemical and industrial portfolio at an industry exhibition, reflecting the group’s presence across specialty chemicals, agrochemicals, rubber, and advanced materials.
6. Shenhua Group Corporation Limited

Company Overview
Shenhua Group was merged with China Guodian Corporation in 2017 to form China Energy Investment Corporation (CHN Energy). CHN Energy is now the world’s largest power generation company by capacity and the largest coal producer. Headquartered in Beijing, CHN Energy operates over 300 coal mines, 200 power plants, and extensive coal-to-chemical facilities. Annual revenue in 2025 exceeded $100 billion.
Key Energy and Coal-Chemical Operations
Shenhua, now operating as part of China Energy, was widely recognized for its specialization in large-scale coal mining and power generation technologies. Key areas of focus include:
- Coal Mining Equipment: Shenhua operated some of the most advanced mining machinery and equipment in the coal industry. The company’s extensive coal reserves made it a leader in both underground and surface mining techniques.
- Coal-to-Liquids (CTL) Technology: Shenhua was at the forefront of developing and deploying coal-to-liquids technology, converting coal into diesel fuel, methanol, and other chemicals. This process was crucial for diversifying energy resources and reducing reliance on oil imports.
- Coal-Fired Power Plants: The company operated several large coal-fired power plants across China. Its advanced combustion technologies aimed at improving efficiency and reducing emissions.
Achievements
- Largest Coal Producer: Shenhua was the largest coal producer in the world before the 2017 merger, with annual production exceeding 500 million tons of coal. This scale allowed the company to lead China’s energy market, supplying both domestic and international demand.
- Integration with China Energy: The merger of Shenhua Group with China Guodian Corporation in 2017 formed China Energy Investment Corporation, one of the world’s largest energy companies. This merger combined Shenhua’s coal assets with Guodian’s power generation, creating a powerful entity in China’s energy market.
- Sustainability and Clean Energy Initiatives: In response to environmental concerns, Shenhua invested in cleaner coal technologies and renewable energy projects. The company also focused on reducing greenhouse gas emissions by deploying carbon capture and storage (CCS) technologies in its operations.
7. Wanhua Chemical Group

Company Overview
Wanhua Chemical Group is a leading global chemical company headquartered in Yantai, Shandong, China. Founded in 1978, Wanhua Chemical is one of the world’s leading producers of MDI and TDI, two key raw materials used in polyurethane production. Wanhua has grown into one of China’s largest chemical producers, with major production bases in China and overseas markets.
Key Petrochemical Products and Specialties
Wanhua Chemical Group is recognized for its advanced chemical production capabilities, with its equipment and manufacturing processes being world-class. The company specializes in:
- Polyurethanes (MDI, TDI): Wanhua is one of the largest producers of Methylenediphenyl diisocyanate (MDI) and Toluene diisocyanate (TDI), essential components in polyurethane production. These materials are used in a variety of applications, including foams, coatings, adhesives, and sealants.
- Petrochemical Products: Wanhua also focuses on producing high-quality polyolefins, ethylene, and propylene. The company operates state-of-the-art plants equipped with advanced technology for producing these critical petrochemical building blocks.
- New Energy Materials: In recent years, Wanhua has expanded into new energy materials, focusing on sustainable and eco-friendly solutions. Their production of bio-based materials and recyclable plastics has positioned them at the forefront of the chemical industry’s sustainability efforts.
Achievements
- Major MDI Producer: Wanhua has built substantial global production capacity in MDI, making polyurethane materials one of its core business areas.
- Sustainability Initiatives: Wanhua is committed to reducing its environmental impact by investing in cleaner production technologies and sustainable practices. The company’s focus on recycling and reducing carbon emissions has earned it recognition in the chemical industry for its green initiatives.
- International Expansion: Wanhua has significantly expanded its global footprint, with production facilities and offices in Europe, the United States, and Asia. This expansion allows Wanhua to better serve its international customer base and maintain its position as a global chemical leader.

Wanhua Chemical at PU China presenting polyurethane solutions based on products such as MDI and TDI, two of the company’s core chemical product areas.
8. Shaanxi Yanchang Petroleum (Group) Co., Ltd

Company Overview
Shaanxi Yanchang Petroleum Group is one of China’s oldest and most influential petroleum companies, headquartered in Xi’an, Shaanxi Province. Established in 1905 (China’s first oil well drilled by Yanchang in 1907), the company is state-owned and operates in exploration, extraction, refining, and petrochemicals. In 2025, Yanchang ranked among China’s top 500 enterprises with revenue exceeding $40 billion.
Key Products and Operations
Shaanxi Yanchang Petroleum has built a solid reputation for its upstream and downstream operations, particularly in the following areas:
- Crude Oil Exploration and Production: The company has extensive experience in oil exploration, particularly in the Ordos Basin, where they utilize modern drilling and extraction technologies. Yanchang Petroleum has a strong capacity in both conventional and unconventional oil exploration.
- Natural Gas: The company is a leading player in the natural gas sector, focusing on extracting and processing natural gas from both conventional and shale sources. Yanchang’s advanced technology in gas extraction helps maximize resource utilization.
- Refining and Petrochemical Production: Yanchang operates several large-scale refineries in China that produce a wide range of petrochemical products, including lubricants, solvents, and chemical fertilizers. Their refinery operations focus on both domestic consumption and export to international markets.
Achievements
- Historic Legacy: Yanchang Petroleum was one of the first companies in China to explore and extract oil, making it a pioneer in the country’s petroleum industry. Its more than a century-long history gives the company a solid foundation and deep expertise.
- International Expansion: Yanchang Petroleum has expanded beyond China’s borders, investing in oil and gas projects in countries such as Canada and Kazakhstan. The company continues to increase its global presence through strategic partnerships and investments.
- Technological Advancements: The company has made significant strides in the development of green technologies, particularly in the areas of enhanced oil recovery and shale gas extraction. These efforts are part of Yanchang’s commitment to improving environmental sustainability in its operations.
9. Sinochem International Corporation

Company Overview
Sinochem International Corporation is a leading enterprise in the chemical and agricultural sectors, headquartered in Shanghai. Founded in 1998, it is part of Sinochem Holdings (merged with ChemChina in 2021). The company focuses on chemicals, rubber, agrochemicals, and materials science, with operations in over 100 countries. In 2025, Sinochem International reported revenue of approximately $12 billion.
Key Chemical Products and Specialties
Sinochem International specializes in various segments, including:
- Chemicals and Petrochemicals: Sinochem is a leading player in the production and distribution of chemicals, including petrochemical raw materials, synthetic rubber, and polymers. The company focuses on sustainable chemical solutions and has advanced production facilities across China and overseas.
- Agrochemicals: The company is one of the key suppliers of fertilizers and pesticides globally. Sinochem’s agrochemical products are critical in supporting global agriculture, offering solutions that increase crop yields while minimizing environmental impact.
- Rubber Business: Sinochem’s rubber division is recognized for its contributions to the natural rubber and synthetic rubber industries. The company provides high-quality rubber products for a wide range of applications, including automotive and industrial uses.
Achievements
- Global Expansion: Sinochem International has expanded its operations globally, particularly in Asia, Europe, and North America, solidifying its role as a major player in the chemical and agricultural markets.
- Sustainability Leadership: The company has implemented sustainable practices across its production processes. Sinochem’s efforts in reducing emissions and promoting eco-friendly products have earned it recognition in the global chemical industry.
- Technological Innovation: Through significant investments in R&D, Sinochem has introduced advanced technologies in chemical manufacturing and agricultural solutions, positioning the company as a leader in innovation within the sectors it operates in.
10. Zhejiang Petroleum and Chemical Corporation (ZPCC)

Company Overview
Zhejiang Petroleum and Chemical Corporation (ZPCC) is one of China’s largest private petrochemical companies, specializing in oil refining and petrochemical production. Founded in 2015 and headquartered in Zhoushan, Zhejiang Province, ZPCC operates the Zhoushan Refinery – one of the world’s largest integrated refining-chemical complexes. The company is part of the Rongsheng Group, a private conglomerate. In 2025, ZPCC’s revenue exceeded $50 billion.
Quick Comparison of China’s Leading Petrochemical Companies
| Company | Ownership Model | Primary Petrochemical Hubs | Core Petrochemical Outputs / Focus |
| Sinopec Corp | Central SOE | Nationwide (Beijing, Shanghai, Sino-Kuwait complexes) | Ethylene, Propylene, Aromatics, Resins, Synthetic Rubbers |
| CNPC | Central SOE | Northern & Western China (Daqing, Lanzhou) | Olefins, Polyethylene (PE), Base Polymers, Petroleum Fuels |
| CNOOC Limited | Central SOE | Offshore (South China Sea, Bohai Bay) | Offshore Crude, Marine Hydrocarbons, Liquefied Natural Gas (LNG) |
| PetroChina | Central SOE (Listed) | Nationwide Logistics & Refining Arrays | Intermediate Olefins, Petro-fuels, Midstream Infrastructure |
| Sinochem Holdings | Central SOE | East China (Shanghai, Jiangsu, Shandong) | Specialty Chemicals, Agrochemicals, Polymers, Pirelli Rubber |
| CHN Energy | Central SOE | Ningxia, Inner Mongolia, Shaanxi | Coal-to-Olefins (CTO), Coal-to-Liquids (CTL), Methanol |
| Yanchang Petroleum | Provincial SOE | Ordos Basin (Sha陕西 Province) | Natural Gas Chemicals, Solvents, Chemical Fertilizers |
| Wanhua Chemical | Public / Mixed | Yantai (Shandong), Ningbo (Zhejiang), Hungary | Polyurethanes (Global MDI/TDI Leader), Polyolefins |
| ZPCC | Private (Rongsheng) | Zhoushan Mega-Complex (Zhejiang) | High-volume Ethylene, Propylene, Aromatics, Acetic Acid |
| Hengli Petrochemical | Private | Dalian (Liaoning), Suzhou (Jiangsu) | Purified Terephthalic Acid (PTA), Polyester Fibers, Aromatics |
Key Petrochemical Products and Specialties
ZPCC’s core focus is on the refining and production of key petrochemical products:
- Ethylene and Propylene Production: ZPCC is a significant producer of ethylene and propylene, essential feedstocks for producing plastics, resins, and other chemical products. The company’s facilities utilize advanced technology to maximize efficiency in production and reduce environmental impact.
- Aromatics Production: The company produces aromatics, including benzene, toluene, and xylene, which are used in the manufacturing of plastics, synthetic fibers, and rubber. These products are critical to a variety of industrial applications, from automotive to consumer goods.
- Acetic Acid Plant: ZPCC has collaborated with BP to establish a 1 million-tonne acetic acid plant in Zhoushan, which enhances the company’s chemical production capabilities and positions it as a leading acetic acid producer in the region.
Achievements
- World-Class Refinery: ZPCC operates the large integrated refining and petrochemical complex in Zhoushan, which produces major feedstocks including ethylene, propylene, aromatics, and downstream chemical products.This refinery is a cornerstone in China’s petrochemical industry, supplying both domestic and international markets.
- Strategic Partnerships: The company has formed strategic partnerships with international giants such as BP, boosting its technological capabilities and global reach. These partnerships have allowed ZPCC to introduce cutting-edge processes into its operations, further enhancing its efficiency.
- Sustainability Initiatives: ZPCC is dedicated to sustainable production methods, including reducing carbon emissions and adopting cleaner technologies in its chemical and refining processes. This commitment aligns with China’s broader goals for environmental protection and sustainable industrial growth.

ZPCC’s Zhoushan complex includes major downstream chemical projects, including its planned acetic acid production partnership with BP.
How Procurement Teams Should Choose a Petrochemical Supplier in China
For an industrial buyer, the biggest company on this list is not automatically the best supplier. The right choice depends on whether the manufacturer can consistently meet the technical and commercial requirements of the order.
Product and grade: Confirm the exact chemical, concentration, purity, grade, and applicable technical standard before comparing suppliers. A producer that is competitive in commodity polyethylene may not be the right source for a specialty polymer or a chemical with strict purity requirements.
COA consistency: Do not evaluate a supplier using only one sample certificate. For repeat procurement, compare Certificates of Analysis from recent production batches and identify the parameters that are critical to your production process.
Order volume: Large state-owned petrochemical companies may sell through trading subsidiaries or authorized distribution channels, especially where the required quantity is below their normal direct-sales volume. Procurement teams should confirm who will actually manufacture the product and which legal entity will handle the transaction.
Export and HazMat capability: For regulated chemicals, confirm that the supplier can provide the required SDS or MSDS, dangerous-goods classification, UN packaging information, and export documentation for the destination market.
Payment verification: CAMAL transactions use TT. Before transferring funds, verify that the beneficiary information matches the contracted supplier or authorized trading entity. Any unexpected change in bank details during an order should be independently confirmed before payment.
Inspection and testing: For specification-sensitive chemicals, pre-shipment sampling or independent laboratory testing can provide additional assurance that the loaded product matches the agreed specification.
Real Chemical Sourcing Example: From Supplier Search to Trial Order
A supplier list is useful, but chemical procurement usually comes down to whether the manufacturer can consistently meet the buyer’s actual specification.
In one CAMAL project, a chemical company in Poland needed sodium thioglycolate for a new chemical mixture but faced multiple suppliers and different available grades. CAMAL identified suitable manufacturers and arranged 500 g samples of the available grades so the client could test them before making a larger commercial commitment.
After laboratory testing, the buyer selected the 40% grade and proceeded with a 1-ton trial order. Once the trial was successful, CAMAL arranged a full 20-foot-container shipment.
The important part of the project was not simply finding a Chinese chemical supplier. It was identifying the correct grade, verifying it against the client’s production requirement, and increasing the order quantity only after the material had been tested.
Read the full case study to see how CAMAL supported the sourcing process from supplier identification and sampling through to the commercial shipment.

Sodium thioglycolate sample provided for client testing before the buyer selected the 40% grade and moved to a commercial order.
What is the largest petrochemical company in China?

- Industry Influence: According to “Oil & Gas Journal,” CNPC holds significant influence in China’s energy sector due to its comprehensive operations across all phases of the oil and gas value chain.
- Global Reach: As noted in “Forbes,” CNPC has an extensive global presence, with projects in Asia, Africa, the Middle East, and South America, contributing to its status as a global energy leader.
- Financial Strength: CNPC consistently ranks among the top companies in the “Fortune Global 500,” reflecting its substantial revenues and strategic importance.
Who owns China Petrochemical Corporation?

- Ownership: the Chinese government, under SASAC, the State-owned Assets Supervision and Administration Commission of the State Council.
- Reputation: Ranked as a top energy company globally.
- Strategic Advantage: Benefits from state support and resources.
- Feedback from Analysts: Seen as a critical player in the energy sector.
What gas companies are owned by China?
1. China National Petroleum Corporation (CNPC)
- CNPC is China’s largest oil and gas company and a key player in the global energy sector.
- It operates across the entire oil and gas value chain, from exploration to refining, and also owns PetroChina, its publicly traded subsidiary. CNPC has operations in more than 30 countries, securing China’s energy resources abroad.
2. China National Offshore Oil Corporation (CNOOC)
- CNOOC focuses on offshore oil and gas exploration and production.
- It is China’s largest producer of offshore crude oil and natural gas. CNOOC has expanded internationally, acquiring several global energy assets, such as Nexen Inc. in Canada, marking its presence in the global market.
3. Sinopec (China Petroleum & Chemical Corporation)
- Sinopec is one of the largest oil refining and petrochemical companies in the world. It is state-owned and engages in the exploration, production, and distribution of oil and gas, as well as chemical products.
- Sinopec operates globally and has made strategic partnerships across various countries to secure energy supplies.
- ENN is a leading private energy company in China that focuses on the clean energy sector, particularly natural gas distribution.
- It is one of the largest gas distributors in China, serving both residential and industrial customers. The company is also investing in clean and renewable energy solutions, such as solar energy and hydrogen production.
Are Chinese petrochemical products as high quality as Western or Japanese products?
In commodity chemicals such as ethylene, propylene, polyethylene, and PTA, Chinese products meet global standards and are exported worldwide. Top-tier Chinese companies like Wanhua Chemical (MDI) and Sinopec (specialty chemicals) are recognized as global quality leaders. However, for ultra-high-purity or specialty chemicals for advanced semiconductor or pharmaceutical applications, Japanese and German suppliers still lead in some niches.
Can I buy petrochemicals directly from Chinese state-owned companies?
Yes, but direct purchasing is not always the most practical route. Large groups such as Sinopec and CNPC may conduct international sales through trading subsidiaries or authorized channels rather than directly through the production company.
Whether direct purchasing makes sense depends on the product, required grade, quantity, destination, and the producer’s normal commercial structure. Large-volume commodity orders are more likely to fit the direct-sales model, while smaller or specification-sensitive requirements may require a distributor, trading subsidiary, or sourcing partner.
Before making a TT payment, confirm both the manufacturer of the material and the legal entity receiving the funds. The company named on the quotation, contract, invoice, and beneficiary account should be checked carefully, particularly when more than one entity is involved in the transaction.
What are the main petrochemical products China exports?
China’s top petrochemical exports include:
- Polyethylene and polypropylene (plastics)
- PTA (purified terephthalic acid for polyester)
- MDI and TDI (polyurethane raw materials)
- Synthetic rubber
- Methanol and acetic acid
- Ethylene glycol
- Polysilicon (for solar panels)
China exports a broad range of petrochemical and chemical products, with major regional markets including Southeast Asia and other large industrial manufacturing economies.
Are Chinese petrochemical companies investing in green or sustainable chemicals?
Yes, heavily. Major investments include:
- Sinopec: Investments in hydrogen, sustainable aviation fuel, carbon capture, and other lower-carbon energy technologies.
- Wanhua Chemical: Bio-based polyols, biodegradable plastics (PBAT, PLA), chemical recycling
- CNPC: Carbon capture and storage projects and green-hydrogen development.
- ZPCC: CO2 capture from refining for enhanced oil recovery
Many of China’s major energy and chemical groups have announced long-term decarbonization initiatives, including investments in carbon capture, hydrogen, recycling, and lower-carbon chemical production.
How do I verify the quality of petrochemical products from China before shipping?
Recommended steps:
- Request a Certificate of Analysis (COA) from the manufacturer.
- Use a third-party inspection or testing company to sample and test the product before loading where appropriate.
- Specify critical quality parameters, acceptable tolerances, and remedies for off-spec material in the purchase contract.
- Confirm that the supplier can provide the required SDS or MSDS and dangerous-goods documentation for regulated chemicals.
- Where supplier capability is uncertain, conduct supplier verification or a factory audit before placing a significant order.
For specification-sensitive orders, CAMAL has also used sample testing and trial orders to confirm that a chemical meets the buyer’s technical requirements before moving to larger commercial quantities.
What are the risks of buying petrochemicals from Chinese companies?
Key risks in 2026 include:
- Price volatility: Petrochemical prices are linked to crude oil and coal prices, which can fluctuate significantly
- Import duties and trade measures: Tariffs, anti-dumping duties, and other trade measures vary by chemical, HS code, and destination market. Buyers should confirm the applicable import treatment before finalizing the landed-cost calculation.
- Shipping and route disruption: Port congestion, vessel availability, dangerous-goods restrictions, and changes to shipping routes can affect lead times and freight costs.
- Counterparty risk: Work only with established companies (the top 10 listed above) or use a sourcing agent
- Regulatory compliance: Ensure products meet REACH (Europe), TSCA (US), or other regional regulations before shipping
For buyers importing chemicals into the EU, compliance should be confirmed before the order is finalized rather than after the goods have shipped. This includes checking whether the product falls within applicable REACH obligations and whether the supplier can provide the documentation required for the intended market and use.
Mitigate these risks by defining product specifications and acceptable tolerances in the contract, verifying the supplier and TT beneficiary details before payment, and arranging independent inspection or testing when required.
Need a Reliable Petrochemical Supplier in China?
If you already know the chemical you need, send CAMAL the product name, required specification or grade, quantity, packaging requirement, and destination. We can help identify suitable Chinese producers, verify the supplier and documentation, coordinate samples or quality checks, and manage the sourcing process through shipment.
For specification-sensitive materials, sharing your target COA or technical data sheet at the beginning allows suppliers to be screened against the actual requirement rather than price alone.
Conclusion
The petrochemical industry in China has evolved from a domestic-focused sector to a global powerhouse. Chinese companies now account for over 35% of global petrochemical production capacity, up from 25% a decade ago. Sinopec, CNPC, and CNOOC have transformed into integrated energy giants with global assets, while private companies like Wanhua Chemical and ZPCC have become world leaders in their respective niches (MDI and refining-petrochemical integration).
The industry faces significant challenges in 2026: overcapacity in basic chemicals (polyethylene, polypropylene), volatile crude oil prices, trade tensions with Western markets, and pressure to decarbonize. However, leading Chinese petrochemical companies are investing heavily in specialty chemicals, green hydrogen, carbon capture, and bio-based materials to stay competitive.
As demand for petrochemical products continues to grow (driven by electric vehicles requiring lightweight plastics, packaging, and construction materials), these top 10 companies are well-positioned to maintain their global influence and drive further innovation in the industry.
If you want to know more information about Chinese chemical companies, you can read this: Top 10 Chemical Companies in the World or you can view our Camachem.
How can CAMAL help you manage your China Sourcing?
✅ Do you spend too much time finding the right manufacturers in China?
✅ Do you face difficulties in communicating your requirements to suppliers in China?
✅ Do your products often need customization just for you?
✅ Do you wish someone could help you with end-to-end procurement, so you can focus on growing your business?
If your answer is YES, Reduce Your China Sourcing Headaches, Contact Us Now for a FREE Consultation
✅CAMAL: Quality Factories = Quality Products = Happy Customers✅
