... within the various gears, shifting fork, spline shaft, gear axle, drive axle, small crank shaft pins, rocker, and other accessories high ... .hydranlic components: for example:the plunger, rotor, reversing shaft in vavle,gear high-frequency hardening machine.all kinds of ... ,for example:the axe and planer’s heat treatment.Hot Forgingsteel heating,bending forming;standard parts, fasteners through thermal ...