1.Select high quality brass material, temperature and wear resistance. 2.Technology optimization, excellent quality.1. Smart wearable products: smart watch, smart bracelet, Bluetooth headset, smart gloves, VR, etc. 2.3C Consumer products: tablet computer, electronic lock, electric vehicle, intelligent water cup. Mobile phone. Charging data cable, etc. 3. Medical industry: medical equipment, beauty equipment, hearing AIDS, blood pressure monitors, heart rate monitors, etc. 4. Smart devices: sensors, handheld devices, drones, vehicle equipment, etc