HengYi Petrochemical Co., Ltd. engages in the production and distribution of pure terephthalic acid (PTA) and polyester fiber products. It offers PTA products, fully drawn yarn products, polyester pre-oriented yarn products, draw texturing yarn products, polyester staple fiber products, polyester chips, as well as polyester bottle flakes, among others. The company was founded on February 10, 1990 and is headquartered in Hangzhou, China.