Guotai Junan Securities is a company that specializes in investment management services. Guotai Junan Securities is a company that provides financial services. It operates through four segments: Institutional Finance, Personal Finance, Investment Management, International Business. The company offers prime brokerage, stock-pledged financing, and securities repurchase services, trading services, as well as research services for institutional clients. It also offers listing sponsorship, equity underwriting, debt underwriting, structured debt financing, mergers and acquisitions financial advisory services, etc.