... or crack5.Machining:CNC machining NINGBO CHINAYU-ALUMINUM CASTING PARTS MANUFACTURERMaterial StandardsANSI/ASTM,BS,DIN,JIS ... components motor part, Motorcycle cylinder parts, Mechanical aluminum casting parts for air compressor and automobile, Cast-in heater ... TreatmentAnodize,Anodize black,Clear Anodize,Nickel Plating,Teflon coating,Titanium coating,Plating palladium ,Harden or Plastics spraying etc ...