1. Toy physics test
2. Polymer material mechanical properties test, optical performance test, thermal performance test, combustion performance test, other tests
3. Metal material mechanical performance test, metallographic analysis, plating physical and chemical performance test, other tests
4. Tape test
5. Paint, coating mechanical properties, optical properties, chemical resistance properties, stability
6. Reliability test (light aging, temperature and humidity aging, salt spray corrosion, mechanical reliability, enclosure protection grade, others)
