... 4)weight:5g-20kg,dimension:5x5-200x2 Copper alloy sand blaster castingMaterial and Equipments:Material:various kinds of brass, ... sol lost wax casting(precision casting,investment casting),Sand casting Machining:CNC,four-axis milling center,Vertical ... milling machine,CNC milling machine Wire cuttingFinish:anodize,polishing,sand blaster,heat treatmentInspection equipment:CMM,X-ray detector,spectrum ...