2025-08-01 salt spray test → 2025-08-01 high and low temperature test → 2025-08-01 hardness test → 2025-08-01 Friction resistance test → 2025-08-01 IP waterproof and dustproof rating → 2025-08-01 Vibration Test → 2025-08-01 drop test → 2025-08-01 UV aging →