1. Responsible for expanding and maintaining customer resources such as high net worth large clients, institutional clients, brokers, market makers, etc., to achieve the company's performance goals. 2. Deeply understand customer needs, provide professional consulting services, and solve problems encountered by customers in the trading process. 3. Establish and maintain long-term stable customer relationships, improve customer satisfaction and loyalty, and promote the growth of customer trading volume. 4. Participate in online and offline activities and invite and expand customer participation to enhance customer engagement and brand influence. 5. Complete other tasks related to large client management arranged by the company