I. Why Chongqing's Chemical Industry Deserves Separate Attention
Among western Chinese provinces and municipalities, Chongqing's chemical sector benefits from a structural advantage rare in inland regions: both resources and markets are present simultaneously. The Sichuan-Chongqing basin is one of China's most significant natural gas production areas. In 2023, Chongqing produced 6.38 billion cubic meters of conventional natural gas, up 14.9% year-on-year, while shale gas output reached 10.51 billion cubic meters, up 12.7%. These figures mean that natural gas chemical processing in Chongqing follows an on-site conversion model rather than an import-then-process one.
At the same time, Chongqing's own automotive, electronics, and construction materials industries provide stable local demand for solvents, coatings, engineering plastics, and polyurethane foam intermediates, reducing dependence on inter-provincial shipments. This dual support structure — resource-based processing combined with local manufacturing consumption — is the structural reason why Chongqing's chemical industry has maintained relatively high operating rates over the long term.
II. The Dual-Core Layout: Changshou and Fuling
Chongqing's chemical geography is highly concentrated, with two parks hosting the overwhelming majority of production capacity.
Changshou Economic and Technological Development Zone serves as Chongqing's flagship comprehensive chemical platform. The zone covers a developed area of 50 square kilometers and hosts 29 Fortune 500 companies and 69 multinational corporations. Industrial focus extends from natural-gas-derived acetylene to high-performance polymers, functional film materials, and fiber composites, forming the single most complete natural gas chemical supply chain within one park. In 2024, Changshou EDZ entered the list of China's top 30 high-quality chemical parks. Also in 2024, Changshou District's total output value from above-scale industrial enterprises reached 162.39 billion yuan, with chemicals as a core pillar (Source: Changshou District People's Government).
Fuling Baitao Chemical Park is anchored by large-scale resource-based chemicals combined with fine chemicals and new materials. The park's backbone enterprise, Chongqing Jianfeng Industrial Group Co., Ltd. — originally a 1966-era defense industrial enterprise — is now a comprehensive fertilizer and chemical manufacturer. It draws natural gas through a self-built 80-kilometer pipeline directly from the East Sichuan gas field, with production capacity of 750,000 tonnes/year synthetic ammonia and 1.32 million tonnes/year urea. Fuling District was upgraded to a National Economic and Technological Development Zone in 2024, with Baitao Park targeting industrial output exceeding 100 billion yuan by the end of the 14th Five-Year Plan (Source: Fuling District Government, Chongqing Municipal Commission of Economy and Information Technology).
III. Leading Enterprise Landscape
The enterprise structures of the two parks differ markedly but together form the backbone of Chongqing's chemical industry.
Chongqing Huafeng Chemical Co., Ltd. is the most prominent private-sector anchor in Fuling Baitao Park. The company is China's largest single producer of adipic acid and the only domestic base with a fully self-controlled adipic acid-to-nylon 66 integrated supply chain. In September 2023, its Phase 6 expansion project — the world's largest single-unit adipic acid facility at 1.15 million tonnes/year — entered trial operation, bringing total capacity to 1.5 million tonnes/year (Source: Huanet, China Polyurethane Industry Association). This scale establishes a significant cost advantage in global adipic acid markets, though it also deepens sector-wide overcapacity pressure and compresses pricing power.
Chongqing Jianfeng Industrial Group produces urea and synthetic ammonia from natural gas, serving as one of the major agricultural fertilizer suppliers across southwest China, with total assets of 11 billion yuan and over 3,200 employees. Its subsidiary Jianfeng Haokang Chemical specializes in fine chemical downstream extensions.
Sinochem Chongqing Fuling Chemical Co., Ltd. operates chlor-alkali products in Fuling, participating in the regional chlor-alkali and fine chemicals cluster.
Within Changshou, the zone has attracted multiple multinational chemical and materials companies to form integrated supply chains. Chongqing Shuangxiang Optical Materials Co., Ltd. built an annual capacity of 200,000 tonnes of optical-grade polymethylmethacrylate, entering trial operation in 2024 — representing the zone's move toward optical functional materials (Source: Chongqing Municipal Government).
IV. Supply Chain Structure: From Shale Gas to Engineering Plastics
The upstream foundation of Chongqing's chemical supply chain is natural gas and shale gas — the most cost-competitive input factors in the local economy. From this resource base, several main processing pathways diverge:
The natural-gas-to-acetylene route extends into polyvinyl alcohol, polyvinyl chloride, and vinyl acetate, which has been a traditional strength of the Changshou zone. The synthetic ammonia route extends to urea, melamine, and other agricultural chemicals, represented by Jianfeng Chemical. The benzene-nitric acid route leads to adipic acid and caprolactam, and then to nylon 66 fiber and engineering plastics — Huafeng Chemical has overcome the most technically demanding steps in this chain. The chlor-alkali route extends to epichlorohydrin, hydrogen peroxide, and silicone-based fine chemicals.
On the downstream demand side, Chongqing's automotive industry (including local OEMs) absorbs a significant portion of polyurethane and engineering plastics. Construction coatings and waterproofing materials are consumed by local and southwest regional markets. Agricultural fertilizers reach the broader Sichuan-Chongqing farming hinterland.
Chongqing's Action Plan for High-Quality Development of the Synthetic Materials Industry (2023–2027), issued by the Municipal Commission of Economy and Information Technology, targets synthetic materials output of 100 billion yuan by 2027, with an annual growth rate of approximately 10%. The plan prioritizes polyurethane and polyamide as established strengths, and targets polycarbonate and epoxy resins as growth-stage products, while cultivating biodegradable materials such as polyglycolic acid as emerging segments.
V. Structural Pressures and Transition Pathways
Chongqing's chemical challenges originate not from the resource side but from market and technology pressures simultaneously.
Adipic acid capacity has been significantly oversupplied since 2023–2024. China's total national capacity exceeded 3.7 million tonnes, with operating rates in the 60%–70% range. The 2024 full-year average adipic acid price was approximately 9,146 yuan/tonne, down around 4% from the prior year. Huafeng's expansion-for-market-share strategy achieves a cost edge, but in an environment of slowing demand growth it tends to accelerate industry-wide price compression.
In the agricultural fertilizer segment, the domestic compound and nitrogen fertilizer markets remain in long-term oversupply. Jianfeng Chemical's urea business faces dual uncertainties: domestic price volatility and shifts in export policy.
The two parks are pursuing somewhat differentiated transition strategies. Changshou is moving toward fine chemicals and new materials — optical materials and functional film materials represent key investment priorities. Fuling Baitao, backed by Huafeng and Zhengkai Group, is building out the polyamide supply chain, aiming to upgrade from commodity chemicals toward differentiated engineering plastics.
In May 2024, Huafeng Group announced a 12-billion-yuan project to build 500,000 tonnes/year of BDO (1,4-butanediol) capacity in Fuling, seeking to extend further into polyurethane raw material production and reduce dependence on benzene-based feedstocks (Source: China Chemical Information Weekly).
VI. Research Note
Chongqing's chemical sector is currently navigating a structural adjustment window. The natural gas and shale gas resource advantage provides durable competitive underpinning, and the park-based, concentrated operations model supports safety management and shared utility infrastructure. However, overcapacity in commodities like adipic acid, combined with reliance on new product categories to meet the 100-billion-yuan synthetic materials target, indicates that the focus over the next several years will shift from scale expansion to product-mix optimization.
Sales teams supplying raw materials, packaging, testing instruments, and equipment components to factories in Fuling Baitao and Changshou parks can use Tianxia Gongchang to filter factory directories and decision-maker contacts by region and industry, directly reaching the procurement side of Chongqing's chemical manufacturers.
Data Sources
- Tianxia Gongchang (Chongqing chemical raw materials and chemical products manufacturer directory and industry data)
- Changshou District People's Government (2024 above-scale industrial output value, zone profile)
- Chongqing Municipal People's Government (Chemical Dual-Engine special report, November 2024)
- Fuling District People's Government (Baitao Park industrial cluster profile, chemical safety development plan)
- Chongqing Municipal Commission of Economy and Information Technology (Action Plan for High-Quality Development of Synthetic Materials Industry 2023–2027)
- Huanet (Huafeng Chemical 1.15 million t/y adipic acid project commissioning report, 2024)
- China Polyurethane Industry Association (Huafeng Chemical adipic acid expansion project announcement)
- China Chemical Information Weekly (Huafeng Group BDO project groundbreaking report, May 2024)
- Chongqing Municipal Bureau of Statistics (2023 Chongqing National Economic and Social Development Statistical Bulletin: chemical industry value-added growth of 13.6%)