Shenyang Chemical Co Ltd is a state-owned listed company in chlor-alkali chemicals, deep oil processing and new chemical materials. The company was established in 1938 as the Shenyang Chemical Plant. It was listed on the Shenzhen Stock Exchange in 1997 and joined ChemChina Co Ltd, a central enterprise, in 2005. Sales revenues exceeded 10 billion yuan ($ 1.58 billion) in 2011. The main products including caustic soda, polyvinyl chloride (PVC) paste resin, acrylic acid and ester, polyethylene resin, propylene oxide and polyether polyol are widely used in the chemical sectors of metallurgy, light industry, textiles, medical care, cars and electronics industry, agriculture, construction and other fields.