1. Conduct ground promotion activities in North America; 2. Establish contact with potential customers to promote the company's products and services; 3. Collect market feedback to provide a basis for product improvement.

1. Valid U.S. visa and ability to communicate in English; 2. Excellent communication skills and customer service awareness; 3. Ability to operate independently with good self-management skills; 4. Team player who can collaborate effectively with team members.