Key Responsibilities: 1.?Source new materials and alternative solutions to reduce costs and improve product; 2. Analyze and optimize product designs in cooperation with R&D; 3. Read and work with 2D/3D technical drawings (SolidWorks or equivalent CAD tools); 4. Follow the full product approval process, from sample stage to final validation; 5. Conduct hands-on tests and practical trials as part of product qualification; 6. Coordinate closely with Quality and Purchasing departments; 7. Act as technical interface for current suppliers: clarify specs, solve issues; 8. Perform supplier auditing to assess and improve supplier quality and compliance. Requirements: 1. Minimum 2 years of technical experience in manufacturing, or industrial sourcing companies,component design experience is a plus; 2. Strong technical drawing literacy; 3. Proficient in CAD software; 4. English (spoken & written) knowledge for daily work communication; 5. Basic knowledge of manufacturing processes; 6. Practical mindset, ability to move fast and solve problems on the ground.