HYDROGRAND STEEL PIPE is a large steel complexes in China integrated with steel making and rolling process.A multiple producing system with steel products, such as steel plates, steel pipes, steel section and round bar has been built.The Capability of steel products in 10 million tons each year.The company's leading steel pipes industry includes medium & small-diameter hot-rolled seamless tubes,specially alloy rolled tubes,cold-rolled and cold-drawn seamless tubes expanding large diameter seamless tube, medium-diameter ERW welded steel pipes,large spiral steel pipes and all kinds of pipe fittings,such as bend, elbow,reducer,tee,flanges,coupling,caps,etc for the connection the pipeline.