China Ningbo Saivs Casting & Machining Manufacturer is one of specialized manufacturer and exporter of various castings including investment casting, sand casting, die-castings, valve, valves and machinery parts. The yearly output of various castings is above 12000tons and 1000kinds which are used in metallurgy, automobile, chemical, ship and hardware engineering industry. And the material used for castings include ferrous metal such as stainless steel, alloy steel, ductile iron, etc and non-ferrous metal such as brass, aluminium, aluminium alloy, zinc alloy, etc. Our products, valve, valves, valve part, valve ball, pump part, valve component have been sold well in national market and also 60 percent are exported to America, Europe United.