... Machinery FactoryCasting ProcessPrecision casting,Investment casting,Sand casting,Silica sol castingCasting MaterialStainless steel,Alloy steel,Carbon steel,Aluminum,Special steel,Cast iron,Wear-resistant steelHeat ... boby,Pump cover,Guide vane,Valve boby,ProcessingHeat treament,Polishing,Sand blasting,Painting, Electrolysis InspectionEquipments Spectrum analysis instrument,Metallurgical analysis, ...