... large brazing welding and other welding; a variety of quenching, hot forging, hot forming intermittent, continuous annealing; precious metals smelting.Brazing, thermal ... , electrical manufacturing and metal processing industry, through the heat for hot forging, the workpiece surface and hardening, annealing, motors, valves, ... sintering as well as gold and silver melting. 90kw induction muffle furnace