Hengyi Petrochemical Co., Ltd. produces and sells chemical fiber products in China and internationally. The company operates through Refining, PTA, and PET products segments. It offers gasoline, diesel, aviation kerosene, and other refined oils; basic petrochemical raw materials comprising paraxylene, purified terephthalic acid, caprolactam, liquefied petroleum gas, benzene, and other chemicals; and polyester products, such as polyester pre-oriented yarn, fully drawn yarn, draw textured yarn, polyester staple fiber, polyester chips, polyester bottle chips, and other products. The company was formerly known as Shi Ji Guang Hua Technology Company Limited and changed its name to Hengyi Petrochemical Co., Ltd. in May 2011. The company was founded in 1989 and is based in Hangzhou, China.