Guosen Securities Company Limited is a Chinese state-owned financial services company headquartered in Shenzhen, China, with more than 70 branches and 11,500 employees nationwide. It has offices in 47 major cities in China including Shenzhen, Beijing, Guangzhou, Foshan, Nanjing, Shanghai, Tianjin and Hong Kong. Guosen Securities provides sales and trading, investment banking, research, asset management, private equity, and other financial services with both institutional and retail clients in China and Hong Kong. It also operates a trading platform called GuoXin TradingStation. The company's heritage can be traced back to 1989, when it was originated from the Shenzhen International Trust and Investment Securities Business Division. In 1996, it became an independent corporation and was renamed as Guosen Securities. As of 2011, 40% of its shares are held by Shenzhen International Holdings as the major shareholder, an investment holding institution jointly owned by Shenzhen provincial government and Cheung Kong Holdings. Wikipedia