1. Be responsible for the on-site after-sales maintenance and patrol inspection of the hospital project, and summarize the on-site and after-sales product problems.

2. After sales technicians or customers solve product problems cooperatively;

3. Assist R & D department or FAE to improve product stability and collect site data;

4. Apply for after-sales material and fuselage code according to after-sales site cooperation with FAE.

5. After sales, solve on-site disassembly and assembly and problem test recovery, and participate in product technical training after sales; List of common after-sales spare parts applied for products;

6. Provide R & D with technical field data related to analysis structure, software, hardware, system, etc;

7. Other related work.