... to customer requirements.2>Inlay,Overlay,Edge Lay,Onlay,Nickel-plating,Corelay. 3.MaterialAg, AgNi,AgCdO,FAg,AgSnO2, ... Cu,CuNi,Steel Stainless Steel,Iron-Nickel. 4.Applicationrelays, switches, thermostat,connector,fuse,etc.1. ... ,contactor,breaker,thermostat 4,ISO9001,SGSContact Rivets,Solid Rivets,Pure Silver RivetsCertificate ISO 9001:2008, RoHS, SGS, etcMaterialsAgCu, AgCdO, ...