... &wire, Foundry&metal .Tube&pipe, ect. The main applications are as following. A: parts surface heating treatment, parts surface hardening, tempering ... lead-free soldering, vacuum fusion, etc.C: forging, shaping, warm bending, high frequency shrinkage fitting, heat enveloping, heat sealing, metal desiccating ... recognition in the field of precious metal casting. induction heating machine for welding