... mainly used for high voltage switching equipment of the core components, play a breaking, the role of conduction is widely used ... ., Ltd; Henan Pinggao Electric Co., Ltd. , (600312, SH); Shaanxi Fast Auto Drive Group Company Shaanxi Fast Gear Co.,Ltd Shaanxi HanDe ... ,1070,3003,3A21,3004,3005,3105,5052,5083,8011 Forging,stamping aluminum alloy contactor