... stamping,machining Material:carbon steel,stainless steel,aluminum,brass etc Aluminum Forging PartsProcessing:forging, casting, stamping, ... machining parts MaterialCarbon steel, steel alloy, stainless steel, aluminum, copper, brass, bronze etc Heat treatmentNormalizing ,annealing, ... ,friction press machine,middle frequency electric heater, air hammer,precision machining, and test facility Surface ...