... as well as silver-cadmium oxide materials and other alloys.Various contact material: Silver, Silver Nickel, Silver Cadmium Oxide, Silver Graphite, Silver Tungsten, Copper ... we have successfully provided Metal stamping, CNC parts , rivets and related production services for more than 100 customers ... time excellently? 1. LML only focuses on stamping, rivets, CNC parts over these years, there are many ...