Job responsibilities: 1. Responsible for market expansion and sales of various 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 advertising clients on various websites and apps under the company, and achieving sales targets; 5. Coordinate and coordinate resources from all parties, promote the implementation of customer and company departments, and facilitate the smooth completion of business cooperation processes.