Guosen Securities (also known as 国信证券股份有限公司б, formerly Shenzhen Guotou Securities) is a company that provides financial services. It specializes in securities brokerage, securities investment consulting, securities underwriting and sponsorship, securities proprietary trading, securities asset management, margin financing and securities lending, financial product sales, etc. In addition, the company offers securities investments, fund services, stock options market making, commodity futures brokerage, financial futures brokerage, futures investment consulting, asset management, and other financial products and services.