... auto-control,it has the function of manual,automatic and heating-keeping-cooling divide period to control. 3).Auto ... 3.Application of kechuang medium frequncy induction heating machine:Deeply heating-shapingStandard parts,fasteners,automobile parts,hardware tools, ... pan.SmeltingSmelting gold,silver,copper,and other precious metals.Other fieldsCable ,electric wires heating to membrane tectorial. XZ-300B ...