... :1. Automobile manufacture industry : screw,gear, shaft ,connection rod ,camshaft,etc. parts 2.Tractor and construction machinerey ... : do experience , for example, melting gold,silver,copper 10. Online heating precious metals: tungsten Parameters ModelWH-VI ... forging quenchingTemperature protection50degreesInduction coilsInduction heating principle copper induction coils for shaft heating equipment