Sinopec Chongqing Chuanwei Chemical Co., Ltd.

Chinasvw.sinopec.com

Its roles Operator Technology licensor

project tracked
1
plant
1
partner company
1
news articles
2

China Petrochemical Corporation Chongqing Chuanwei Chemical Co., Ltd. (Sinopec Chongqing Chuanwei Chemical Co., Ltd., or Chuanwei Chemical) is a wholly owned subsidiary of Sinopec (China Petroleum & Chemical Corporation). It is located in Changshou District, Chongqing, China, and serves as Sinopec's only natural gas chemical enterprise as well as China's largest natural gas fine chemical and new materials company and a leading player in the domestic natural gas chemical industry.

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The company processes natural gas feedstock into a portfolio of basic and specialty chemicals. Key products include methanol, vinyl acetate (VAc), polyvinyl alcohol (PVA) with over 100 grades, vinyl acetate-ethylene copolymer emulsion (VAE), EVOH high-barrier resin, acetic acid methyl ester, liquid ammonia, and vinylon fiber. It has developed and expanded production capacities specifically in VAE emulsions, EVOH resins, and high-end/specialty PVA grades for applications in packaging films, adhesives, textiles, construction materials, automotive components, pharmaceuticals, and optical films.

With roots as the former Sichuan Vinylon Factory established in the 1970s, the company has grown through decades of technological absorption, independent R&D, and capacity upgrades. It operates primarily in China but exports to more than 60 countries and regions, holding significant domestic market shares in VAE and PVA while advancing high-value new materials. As part of the Sinopec group, it focuses on green and low-carbon initiatives, including hydrogen purification from by-product gas and circular economy practices, positioning it as an industry leader in sustainable natural gas-derived chemicals and advanced materials.

Also known as 川维化工, 中国石化川维化工, Sichuan Vinylon Factory, 中国石油化工集团重庆川维化工有限公司, SVW and 1 more.

The project Chuanwei Chemical is involved in

chemXplore tracks 1 project involving Chuanwei Chemical.

Sinopec SVW Chongqing 12,000 t/a EVOH Resin Unit
Phase
Operational / Completed
Where
China
Makes
EVOH (Ethylene vinyl-alcohol copolymer)
Partners
Sinopec

Chuanwei Chemical in chemical industry news

21 October 2026
Sinopec's 'Four New' Strategy for Energy, Materials, Business Formats and Frontier Tracks

Pursues green transitions, technology independence, integrated retail‑energy services and early-stage investments to build diversified strategic growth poles.

21 October 2026
Sinopec strengthens the ‘two wings’ of refining and chemicals for high-end upgrading

Pushes integrated regional bases, oil‑to‑chemicals/specialty conversions, smart factories and capacity rationalisation to secure feedstocks and high‑end materials for advanced manufacturing.

Where its projects are

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  • China 0 active projects, 1 in all