1.High quality shell, excellent conduction, exquisite workmanship, durable. 2.Lower resistance, pc flame retardant material, more safe.`1.Smart wearable products: smart watches, smart glasses, Bluetooth headphones, smart gloves, VR, etc.`2.3C consumer products: tablet PC, electronic lock, electric car, smart water cup. Cell phone. Charging data line, etc.`3.Medical industry: medical equipment, beauty equipment, hearing aids, blood pressure meters, heart rate monitors, handheld electrocardiograms, etc.`4.Intelligent devices: intelligent robots, sensors, handheld devices, drones, vehicle-mounted devices, etc.