... Description 1.Especially we are the OEM supplier, welding helmet2. TIG welding guns and parts, such as torch head, back cap, cup gasket ... etc3. Tungsten rod, such as WT20, WZ8, WT30, WC20, WL10, WT40, WP, WL20, WZ3, WL15, WT10, WY204. Standard welding helmet, automatic darkening welding helmet, welding glass ...