1. responsible for terminal product technical support, accept and solve product failure problems, to assist the region to improve the product problem judgment and processing ability; 2. maintain good communication with customers, real-time grasp of customer needs, to provide customers with active, enthusiastic, satisfactory and considerate service; 3. proficient in the company's products, can independently complete the solutions required by the customer, independently deal with the negotiation of the order, the signing of the contract, transportation tracking, collection and after-sales.