... Copper ShaftType: copper shaftMaterial: pure copperModel: copper shaft-068Processing: CNC turningSurface treatment: silvr plating Goodwill Precision Machinery (Dongguan) Co.,Ltd ... is a professional factory which specilized in precision copper shaft for more than ... steel,carbon steel, alloy steel ,brass, bronze, copper, aluminum, plastic, or customer specified. 3.Finishes: ...