National Pipe Co., Ltd. is located in Liaocheng Hao scenic Jiangbei Watertown - Liaocheng City, Shandong Province Economic Development Zone, convenient transportation, information flow, a beautiful environment, is a seamless steel pipe flow of large enterprises and professional production of precision tube manufacturer. The company has two sets of two roller system precision rolling machine and a 3-roll system with high accuracy precision rolling machine professional manufacturer of precision seamless bright. 3-roll system with high accuracy precision rolling machine is my company to meet the needs of new and existing customers and the new machine has been put into use precision can be controlled within 0.05 mm, the high-precision products produced by this machine, tolerances, good finish, Alternative honing tube use. The factory produced cold rolled precision light control system looks smooth, uniform thickness, no oxide layer, high precision. Steel pipe can be divided into round holes, spline type, plum-type and other widely used in automobiles, motorcycles, power, petrochemical, shipbuilding, aerospace, bearings, pneumatic components, fuel tanks, boiler equipment, medical equipment, fitness equipment and other industries. Material can be divided into 20 #, 35 #, 45 #, 40cr.16mn so on. Various national standard and customized non-standard precision tubes according to user needs. The main production and sales of seamless steel tubes, precision light pipe, alloy pipe, large diameter thick light pipe, flange, flange blanks, centrifugal casting pipe, alloy steel pipe, stainless steel seamless pipe. In addition, I also agents of major steel production: seamless, seamless steel pipe, flange blanks, 20 # seamless, centrifugal casting tube, 45 # seamless, high-pressure boiler tubes, alloy pipe, stainless steel , flanges, stainless steel seamless pipe, stainless steel alloys, Pipes, etc., annual sales of Tianjin, Cheng Gang, Steel, Baosteel, Baotou Steel, Hengyang, Anshan Iron and Steel, Shandong and other major steel seamless spot. The company with excellent products, excellent service, reasonable prices, in the most to help customers to serve our customers.