Sinopec Shanghai Petrochemical Co., Ltd. (hereinafter referred to as Sinopec) is a holding subsidiary of Sinopec, located in Jinshan District, Shanghai. It is one of the main integrated refining and chemical enterprises in China and an important production base for refined oil, intermediate petrochemical products, synthetic resins, and synthetic fibers in China. At present, Shanghai Petrochemical's main products in the field of carbon fiber composite materials are 3K/12K/24K/48K carbon fibers, thermoplastic pre impregnated tapes and plates that meet aviation standards, carbon fiber reinforced pellets, carbon fiber extruded profiles, and short cut fibers.