... Stainless steel annealing, a type.2, heat treatment of all kinds of hardware tools, electric, hydraulic, pneumatic components, steam, ... cast iron quenching.3, brazing :all kinds of hard alloy cutter head, turning, milling cutter, cutter, reamer, diamond saw blades, saw welding; ... , copper, stainless steel metal materials of the compound welding.4, metal smelting: melting gold, silver, copper and so on. ...