Changjiang securities Co., Ltd. (SZSE: 000783) is a securities company in China, engaged in securities brokerage, asset management, fixed income, securities investment, financial derivatives and other businesses. The company was established in Wuhan, Hubei on 1988. At that time, its name was Hubei Securities Company, and its chairman was Chen. In 2000, it was renamed as changjiang securities Limited Liability Company. In 2007, Shijiazhuang Refining & Chemical Co., Ltd., a subsidiary of China Petrochemical Company, was renamed as changjiang securities Co., Ltd. instead of S Petrochemical Company being listed on Shenzhen Stock Exchange.