Yizheng Chemical Fiber Company is a general term for Sinopec Yizheng Chemical Fiber Co., Ltd. (hereinafter referred to as Yizheng Co., Ltd.) and Yizheng Branch of Sinopec Group Asset Management Co., Ltd. (hereinafter referred to as Yizheng Branch). It is located in Yizheng City, Jiangsu Province, covering an area of ​​10 Square kilometer, formerly known as Yizheng Chemical Fiber Industry United Company, was established in 1978, established in 1981, reorganized in 1993, and joined Sinopec in 1998. In 2014, it was reorganized into a wholly-owned subsidiary of Sinopec.

Yizheng Chemical Fiber Company is a mid-to-high-end polyester production base and special fiber production base of Sinopec. It has a PTA production capacity of 1.42 million tons/year (including joint venture equity capacity of 420,000 tons/year), a polyester production capacity of 2.4 million tons/year (including polyester slices, staple fibers, hollows, bottles), and ultra-high molecular weight polyethylene fiber production capacity 3300 tons/year, para-aramid production capacity is 1000 tons/year, maleic anhydride production capacity is 100,000 tons/year, meltblown fabric production capacity is 6000 tons/year, engineering plastics (PBT) production capacity is 160,000 tons/year, polyester film production capacity 45,000 tons/year (joint venture with Japan Toray) and polypropylene fabric production capacity of 100 million square meters/year (joint venture with Germany Kodbo). The company's polyester product differentiation rate has reached more than 99%, and its quality is in the leading position in China. High-performance polyethylene fibers and para-aramid are completely independent intellectual property rights, and high-performance polyethylene fibers adopt dry process technology.

Yizheng Chemical Fiber Technology Center is one of the first 40 enterprise technology centers recognized by the country. Yizheng Chemical Fiber Company adheres to the green and low-carbon development strategy, adheres to the core business philosophy of "user satisfaction as the center", adheres to the quality policy of "quality leading, innovation-driven, and Yizheng Chemical Fiber continues to meet user needs", and creates a resource-saving and environmentally friendly and build a professional company for synthetic fiber and new materials that is "domestic leading and world-class".