... are wildly used in heat treatment, bonding, brazing, welding, forging, melting and heat fitting solution YUELON induction heating machines ... are wildly used in heat treatment, bonding, brazing, welding, forging, melting and heat fitting solutions in many fields ... B: metal brazing, high-frequency brazing, pan bottom brazing, tool head brazing, copper brazing, lead-free soldering, vacuum fusion, ...