1. Responsible for market expansion and sales of products, exploring high-quality potential customers, visiting customers, etc. to promote cooperation between both parties. 2. Develop and maintain channels, conduct in-depth analysis of customer needs, be responsible for preliminary assessment of potential project feasibility, and establish good cooperative relationships. 3. Responsible for market research, providing accurate information on market trends, demand changes, and customer feedback from competitors. 4. Responsible for the development and maintenance of customers on the company's website, and completing the system