... , braze weld , smelting 2 High efficiency Induction coil_induction coil device contain four types (Medium frequency,High frequency,Ultrahigh ... parts to heat treating(quenching,anneal, temper,normalizing..., Through heating,braze welding,smelting, other field and with CE predominance ... as belows: 1.The induction heating equipment mains circuit adopts Siemens IGBT,MOSFET and any ...