Ningbo Yinzhou Guang-ao machinery Factory is specialized in sand casting, gravity casting, resin sand casting, investment casting, shell mould casting, precision cnc machining, milling, grinding, lathe, forging, assembly, we can supply ductile iron casting, grey casting, steel casting, stainless steel casting, hydraulic pressure parts, cylinder, bushing, auto parts, bucket teeth, locking pin, bracket, rod, heat resistant steel, wear resistant steel, stainless steel parts, valve, hardware, drill bit, gear, connector rod, pin, link block, Impeller and so on. We insist on quality first, provide the best service to our customer, Products have been used widely in mine, electric power, industry engineering, engineering machine, marine, auto, railway, boiler, machinery, metallurgy, agriculture machine, tractor, architecture engineering, hardware. You are welcome to cooperate with us!