1. Responsible for formulating sales targets and implementation plans based on company strategy, and promoting implementation to achieve the goals. 2. Develop and maintain customer relationships, communicate and negotiate with potential and existing customers, and facilitate sales transactions. 3. Responsible for the development, promotion, management, and coordination of new clients/projects, including application training and technical support. 4. Responsible for collecting and analyzing customer feedback on the products and services provided by the company, promoting improvements, and increasing customer satisfaction.