China's chemical industry has recorded a series of major advances in production capacity and process technology over the past several years, with the last six months marked by frequent project breakthroughs and the establishment of multiple global records across petrochemicals, coal chemicals and advanced materials.
World's Largest Adiponitrile Production Base Completed
In May 2026, TIANCHEN QIXIANG officially started operations at the second phase of its 200,000-tonne-per-year adiponitrile (ADN) facility. Combined with the fully operational first-phase unit of the same capacity, total ADN production capacity has reached 400,000 tonnes annually.
With a total investment of 22.7 billion yuan ($3.16 billion), the project is expected to become the world's largest adiponitrile production base after reaching full capacity in 2026. The company estimates annual revenue of 30 billion yuan and annual profits and taxes of 6 billion yuan, while supporting the development of a trillion-yuan new materials industrial cluster.
Leadership Changes in the Global PTA Market
As of the end of November 2025, Yisheng Petrochemicals had become the world's largest purified terephthalic acid (PTA) producer, with total capacity reaching 21.5 million tonnes per year, accounting for 23% of China's total PTA capacity.
China's annual PTA production and consumption both represent more than 70% of global totals, making the country the world's largest producer and consumer of the chemical feedstock.
Rongsheng Emerges as Largest PX Producer
By early 2026, Rongsheng Petrochemical had expanded paraxylene (PX) design capacity to 10.4 million tonnes annually, becoming the world's largest PX producer.
The total includes 9 million tonnes of PX capacity operated by Zhejiang Petrochemical, making it the world's largest single-site PX production facility.
China Consolidates Position as Top BDO Producer
Public data show that by the end of 2025, China's 1,4-butanediol (BDO) production capacity exceeded 5.79 million tonnes per year, representing approximately 85% of global capacity and establishing the country as the world's largest BDO producer.
By 2027, Wuhai City in Inner Mongolia is expected to host the world's largest integrated BDO production base, with projects under construction and planning totaling between 2.49 million and 2.78 million tonnes of annual capacity. If completed on schedule, the site will become the world's largest BDO production hub.
China Becomes Largest MMA Producer
China's methyl methacrylate (MMA) production capacity surpassed 2.85 million tonnes annually by December 2025, making it the world's largest MMA-producing nation.
An additional 300,000 tonnes of annual capacity is expected to come online in 2026. Total national MMA capacity is projected to exceed 3 million tonnes per year by the end of 2026.
Largest Modern Coal Chemical Industry System
By the end of 2025, China had established the world's largest and most comprehensive modern coal chemical industry chain.
Coal-to-liquids capacity exceeded 9.3 million tonnes annually, coal-to-natural-gas capacity surpassed 7.5 billion cubic meters per year, coal-to-olefins capacity exceeded 20 million tonnes annually, and coal-to-ethylene glycol capacity topped 11 million tonnes annually.
China's coal chemical sector accounts for more than 80% of global industry capacity, making it the world's largest and most diversified coal chemical producer.
Major Coal-to-Olefins and PVC Records
Inner Mongolia-based BAOFENG is developing a coal-based new materials project with total investment reaching 48.4 billion yuan. The project will produce 3 million tonnes of polyolefins annually, including 1.5 million tonnes each of polyethylene and polypropylene, making it the world's largest single-site coal-to-olefins project.
Xinjiang Zhongtai Group operates annual production capacities of 1.85 million tonnes of PVC, 1.32 million tonnes of ion-exchange membrane caustic soda, 700,000 tonnes of viscose fiber and 2.55 million spindles of viscose yarn. The company holds China's largest chlor-alkali and calcium carbide capacities and ranks first globally in PVC production.
First 50,000-Tonne CO₂-Based PPC Facility Starts Up
On May 29, 2026, Levima announced a major milestone in its integrated new energy materials and biodegradable materials project.
The world's first industrial-scale 50,000-tonne-per-year carbon dioxide-based polypropylene carbonate (PPC) facility successfully completed initial startup and produced qualified products. Using self-produced propylene oxide and carbon dioxide as feedstocks, the project fills a gap in large-scale PPC industrialization.
Breakthrough in Bio-Based 1,5-Pentanediol Production
In August 2025, Special announced successful testing of the world's first bio-based 1,5-pentanediol production process at its Zhoushan facility.
The technology employs a pioneering one-step hydrogenation process using biomass feedstocks to achieve high-purity, low-energy green production. Meanwhile, Liaocheng Huanuo Biomass Materials disclosed plans for a 25,000-tonne-per-year 1,5-pentanediol project, with planned capacity exceeding current global output and positioning the company as the world's largest producer.
Unique Dual Technology Platform for Nylon 66 Feedstocks
On April 9, 2026, China Pingmei Shenma Energy Chemical Group launched construction of the third phase of its 100,000-tonne aminocapronitrile project while commencing operations at the first phase of a 200,000-tonne adiponitrile facility.
The group became the world's only company to possess production technologies for both adiponitrile and aminocapronitrile, two core raw materials for Nylon 66. The aminocapronitrile route uses caprolactam as feedstock and provides an alternative technological pathway beyond traditional adiponitrile production.
World's Largest Coal Chemical Project Advances
Shaanxi Coal and Chemical's Yulin Chemical project, designed to process 15 million tonnes of coal annually through graded, clean and efficient conversion technologies, remains the world's largest coal chemical project currently under construction.
The second phase, with total investment of 176 billion yuan, began construction on Sept. 26, 2024 and is scheduled for full commissioning in December 2027. Once completed, it is expected to anchor a coal chemical industrial cluster worth more than one trillion yuan.
MDI and TDI Capacity Leadership
Following the commissioning of Wanhua Chemical's 700,000-tonne-per-year MDI project in Fujian during the first half of 2026, China's total MDI production capacity reached 5.5 million tonnes annually, making it the world's largest MDI-producing nation.
The startup of Wanhua's TDI project during the same period lifted China's total TDI capacity above 2 million tonnes per year, establishing the country as the world's leading TDI producer.
China also ranks first globally in production capacity for a range of chemical products, including ethylene, PTA, PX, refining capacity, coal-to-ethylene glycol, titanium dioxide, sponge titanium, synthetic ammonia and coal-to-olefins.
First Industrial HCl Oxidation-to-Chlorine Facility
In the first half of 2026, the world's first industrial-scale hydrogen chloride catalytic oxidation-to-chlorine facility, jointly developed by East China University of Science and Technology and Shanghai Chlor-Alkali Chemical, reached full-capacity production.
The project is fully based on independently developed intellectual property and represents the first commercial deployment of the technology worldwide.
From Scale Expansion to Dual Leadership
Industry analysts said China's chemical sector has continued to set global capacity records in areas including ethylene, MDI and PX while simultaneously achieving technology breakthroughs such as the world's first industrial hydrogen chloride catalytic oxidation-to-chlorine facility and major refining and chemical integration projects.
The developments signal a transition from scale-driven growth toward a model combining both production leadership and technological leadership.
The latest milestones highlight three pillars of China's chemical industry strength: a comprehensive industrial chain spanning basic feedstocks to advanced materials; growing innovation capabilities that have reduced reliance on overseas technologies in areas such as adiponitrile and advanced catalysts; and long-term industrial planning supported by domestic demand and policy backing.
The impact is expected to extend beyond China. Expanding capacity in products such as ethylene and PTA could reshape global supply-demand balances and influence international trade flows and pricing patterns. At the same time, China's combination of scale, cost competitiveness and technological progress is altering competitive dynamics across the global chemical industry.
Analysts also point to China's role in advancing lower-carbon coal chemical technologies and circular economy applications, developments that could contribute to broader sustainability efforts across the global chemical sector.