... ,motor 4,ISO9001,SGS Specification: 1Certification: ISO9001, SGS 2Cooperation: Simens, Panosonic, etc 3Company type: manufacture since 1992 4Material:Ag, ... low contact resistance, which is similar to that of pure silver, without the variable switching times. 4. AgNi /Cu bimetal ... electrical contact has one of the most important materials in silver - metal oxide contact material. 6. AgZnO rivet and ...