Excellent choice of materials to make our products reliable guarantee for the safe use of a long time.

Vpon switch core component, has strong anti-arc ability and excellent resistance to abrasion, to ensure Vpon switch over 12 years service life.

High-precision phosphor bronze tin has excellent resistance to fatigue deformation, repeated plug to use, despite efforts to maintain standards, and avoid contact with non-tight due to plug poor contact and the heat caused by electrical phenomena, to ensure safe use.