We are engaged in production of large size forging parts including shafts, flanges, rings, steel bars and other forged parts widely used on heavy machinery, oil and mining equipments, wind power equipments, shipbuilding industry and aircraft industry. For you reference, please check the main data of our products:1. diameter: 300mm to 1500mm2. max length: 24m3. weight of single piece: 1 ton to 50 tons4. materials: carbon steel, alloy steel and stainless steel5. production capacity: 30,000 tons to 40,000 tons6. certificates: ISO9001:2008, ISO14001:2004, OHSAS18001: 2007We are a big manufacturer. If you are looking for a reliable supplier of forging parts, please choose us. Any question, please feel free to contact us directly: qing.zhao at xzjd dot net.cn