... small objects welding, industrial welding (including the welding of copper, silver welding, soldering), injection mold from broken expected, ... jewelry processing, metal processing and plastic surface of bending an indispensable tool for the local heating. 1, automatic ignition ... . Gas Tank: 220 g gas gas. 2, materials: copper, zinc alloy, stainless steel, pipe, fire-retardant nylon shell. 3, Dimensions ...