Xinbaolong Steel Co., Limited (CargoX registration no. 91371500MAD8A6L10E), is located Liaocheng, Shandong. We have our own seamless steel pipe factory, Shandong Zhongzheng Steel Pipe Manufacturing Co., Limited，with 600 hundred tons annual output. Our main products are: Seamless steel pipe, for structure, oil field, shipyard. Steel coil and sheet, for welding pipes, shipyard. Steel wire, for spring, packing. Stainless steel products, including pipes, sheets, wires. Aluminum and cooper products. Machining steel, stainless steel, aluminum and copper products according to drawings and customizin