1 welding spot contact tip 2.Material:cucrzr 3.High quality . 4.ISO9001-2000 Cert&CCC welding accessories:1. We produce ... mainly engaged in developing and producing CO2/MAG/TIG welding machine,welding torch and various of torch spare parts.the types ... contact tip,tip holder, swan neck,welding liner,connector,plug,torch handle,etc,Electric resistance welding spare parts:water passage cable,electrode ...