1. Assist the chairman in formulating the overall market strategy plan for the company; 2. Expand the company's market strategy, grasp the company's development direction in the industry, complete the company's market positioning in the industry, and provide timely market feedback; 3. Develop and implement annual marketing and product plans, assist the operations department in developing business plans, and cooperate with marketing business plans; 4. Develop and implement pricing systems, marketing strategies, regional coverage strategies, and promotion plans for each product line;