... dimension:5x5-200x200mm 5)Ten-year OEM Silica bronze castingsMaterial and Equipments:Material:various kinds of brass,bronze and other ... C94300,C95500,CuSn12Ni2,HPb59-1,HPb58-3 etc..Casting:Silica sol lost wax casting(precision casting,investment casting), ... CNC milling machine Wire cuttingFinish:anodize,polishing,sand blaster,heat treatmentInspection equipment:CMM,X-ray detector,spectrum analysis ...