... steel,stainless steel,aluminum,brass etc Metal Forging PartsProcessing:forging, casting, stamping, machiningMaterial:carbon steel,steel ... quenching, tempering ,solution, passivation Production machineHot die forging presses,friction press machine,middle frequency electric heater ... handle, hinge blade), machinery parts (link rod, shifting fork, crank, rocker), construction machery parts,auto parts, ...