... welding machineHigh frequency welding machine is a new type of induction heating equipment, mainly uesd in metal tube welding, alloy ... for use the metal tube welding(recommended silver soldering welding ring ):(1). Induction heating speed, high efficiency.(2).compared with oxygen ... .The advantage for use the alloy cutter welding:(1). Induction heating speed, high efficiency.(2).simply put the silver ...