... ,duplex steel 3,certificate:ISO9001: 2000 ,GL all kind of forged gear shaft specificationOEM and Customized service offered Materials: carbon steel, stainless ... wind power generation, stream turbine,petrol industry, mine industry , large machinery manufacturingPacking: In wooden cases, wooden pallets , plywood ,or as ... Delivery If any demand,welcome to contact with us. all kind of forged gear shaft