1. Responsible for the key account sales work, including the development and maintenance of key account, reaching the company's sales targets; 2. Regular visits to key customers, fully understand customer needs and actively follow up, establish reasonable programmes, programme presentation, negotiation, understand and track related departments to ensure the effective implementation of the programme; 3. Maintain good business relationships with existing key accounts, update product information in a timely manner, convey the corporate and brand culture; 4. Establish customer files, make sure that the information is complete, accurate, and ready for dynamic management; 5. The timely submission of the sales report, comply with the company's management systems;