... -year OEM Copper alloy CNC machining part Material and equipments: Material: various kinds of brass,bronze and other copper alloys, ... casting(precision casting,investment casting),Sand casting Machining:CNC lathe,four-axis milling center,Vertical machining center,Universal ... turret miling machine,Universal radial milling machie,CNC milling machine,Wire cutting Finish:anodize,polishing,sand ...