... systems,like the relay,circuit breaker,starter,temperature controller,and switch series,etc. Advantage:About the welding silver contact, ... to be on a par with the Bihler-German.and this technology is our patent.with this technology, ... at high temperature.3)Good quality conformity.4)Lower and stable contact resistance.5)High brazed rate,the ... will offer best serive all the time. Switch Contact Components