... , Chrome, Tin, etc.ProcessstampingThinkness0.1mm--3mmUsageAutomotive/Car Thermostat, Switch, Electric Heating, Transformer, etcTypePrecision nonstandard parts(OEM Service)CertificateISO9001:2008; ISO/TS16949 ... metal washer are used for electric motor,heating tube,cartridge heater,switch,water heater tube,water kettle heating tube,electric iron cover.3.The ...