... brazing. 1,Avariety of steam, Motorcycle high-frequency hardening heat treatment, such as: crankshaft, connecting rod, piston pin, camshaft ... rocker shaft, high-frequency hardening heat treatment. 2,The hardware high-frequency hardening heat treatment, such as pliers, hammers, strong ... tools, such as: axes, planing and other heat treatment.Tchnical Parameter Table: ModelWH-VI-50Worker powerThree phase ...