1. Conduct feasibility research, analysis, and validation of mechanical solutions based on product requirements. 2. Responsible for the design of transmission devices, including 3D design, 2D drawings, and BOM (Bill of Materials) for all gearbox-related components such as gears, drive shafts, housings, guide rails, and lead screws, as well as the output of related drawings and design data. 3. Design of test fixtures required for the gearbox in the project. 4. Assist in resolving process and quality issues during production. 5. Testing, validation, and confirmation of product functionality, safety, and reliability. 6. Analyze, resolve, and validate technical issues during the project. 7. Communicate with suppliers on related issues to optimize designs and meet relevant technical requirements. 8. Provide technical support for the assembly and testing of prototypes and optimize designs accordingly