... Description PT31 plasma spare parts1.Especially we are the world famous brand OEM supplier. 2. TIG welding guns and parts, such as ... torch head, back cap, cup gasket, collet, collet body, gas lens body, cable fittings, alumina nozzle, power ... WT30, WC20, WL10, WT40, WP, WL20, WZ3, WL15, WT10, WY20. 4. Standard welding helmet, automatic darkening welding helmet, welding glass, head ...