... Standard, customized gear; 3) Made from steel alloy; 4) Heat treated Roller Chain Gears and sprocket 1.Namechain ... steel, aluminum alloy; Brass alloy; Tinplate, copper;3.Machining processesForging ,Maching,Hobbing, Broaching, Driling,Milling,Grounding4.Surface ... equipmentsCNC machining center; General planning and grinding machine;General punching machine, CNC turning center; Wire EDM, 4 or 5 axis-CNC ...