Welding Torch, Welding Gun, TIG Welding Torch manufacturer / supplier in China, offering Tweco Welding Torches Tips Accessories 14h-116 Contact Tip 1/16′′ 1.6mm Heavy Duty Parts, Tweco Welding Torches Tips Accessories 14h-52 Contact Tip. 052′′ 1.3mm Heavy Duty Parts, Tweco Welding Torches Tips Accessories 14h-45 Contact Tip. 045′′ 1.2mm Heavy Duty Parts and so on.