Nine in the morning. Upon inquiry, the working hours of Nanning Guohai Securities are 9: 00 am and the business hours are 9: 00 am to 5: 00 pm. Guohai Securities is a securities company, the only national comprehensive securities company established in China and registered in Guangxi, and a national listed comprehensive financial service enterprise with complete licenses, covering diversified business systems such as securities, funds, futures, investment and alternative investment.