Welding Torch, Welding Gun, TIG Welding Torch manufacturer / supplier in China, offering Tweco Welding Torch Accessories 14-116 Contact Tip 1/16′′ 1.6mm Standard, Tweco Welding Torch Accessories 14-45 Contact Tip. 045′′ 1.2mm Standard, Tweco Welding Torch Accessories 14-40 Contact Tip. 040′′ 1.0mm Standard and so on.