... lost wax casting(precision casting or investment casting),Sand castingMachining:CNC lathe,four-axis Milling center, ... Universal Radial milling machine,wire cuttingFinish:anodize,polishing,sand blaster,heat treatment Inspection equipments:CMM,X-RAY ... silicon bronze, manganese brassAnd other copper alloy Processing stepCasting, sand blast, CNC lathe works, turning, finish machining featuresSmooth surface ...