wechat:13655357500   QQ:1437768772 Electric drive water-cooled motor, automobile motor extrusion aluminum shell, water cooling loop motor shell, aluminum processing welding water-cooled aluminum motor housing, hybrid electric vehicle drive motor water-cooled chassis, aluminum alloy frame welding, aluminum welding aluminum alloy shell, waterway circulation motor processing, products with light weight, high strength, good heat dissipation performance, surface, corrosion resistance, bore with cutting, etc