Shanghai Petrochemical, full name Sinopec Shanghai Petrochemical Company Limited, the subsidiary company of Sinopec, is one of the largest petrochemical enterprises in Mainland China. It is engaged in production of ethylene, fiber, resin and plastics. The company is registered in Shanghai. Its headquarters are in Jinshan District, Shanghai. There have been hopes that Sinopec, Shanghai Petrochemical's parent company, will process share reform and privatize Yizeng Chemical Fibre and Sinopec Shanghai Petrochemical, but the plan does not finalize until this moment. Wikipedia