This Sr. Sales Engineer role involves visiting and maintaining customer relationships, understanding market dynamics, and increasing product market share. Responsibilities include collecting market information, providing R&D suggestions, and formulating strategies. The role requires developing long-term customer management plans, following up on sales targets, and managing new projects. Candidates will also communicate across departments to handle complaints, maintain sales tools like Salesforce, and cooperate with finance on customer payments. The position is based in Guangzhou, China.