... →Raw casting→Sandblasting----Rough machining or finish machining→Surface treatment→Inspection→Packing→Delivery strictly Our Advantages:Five ... makes high quatliyThe coordinated service(casting,machining and surface treatment) make lower price if possibleAdvanced-level equipmentsFull ... 20,25,30,35,40,45Green-sand mouldingASTM A126-Class A, Class B, Class CResin-sand mouldingDIN-GG10, GG15, GG20, GG25, ...