Hebei Tian Hui Steel Pipe Company mainly produces for central heating, water supply, sewage treatment, petroleum, natural gas, gas transmission projects in low-pressure fluid conveying pipe with the steel pipe. Product specifications 219mm-3200mm, wall thickness 5mm-20mm, steel grade B-X70, the annual output of 150,000 tons, with advanced production equipment, perfect testing means, strong technical force, our products sales in the market high innovation, product users get the praise. The company passed the ISO9001 international quality management system certification, and special equipment manufacturing license of the People's Republic of China and the import and export permits, many times by the provincial, city and county departments of recognition awards. We uphold a pragmatic and enterprising spirit, the power of entrepreneurial brand and look forward to with the majority of users to share a brilliant future. Hebei Hui Steel Pipe Manufacturing Co., Ltd. specializing in the production of GB, the Ministry of standard 219-3200mm, wall thickness 2-20mm L245 and Q345 material spiral, high-frequency welded pipe production line in the new 219-325mm, and large diameter seamless pipes straight seam pipe. Large-diameter thick-walled butt welded pipe http://www.hbthgg.com Spiral Pipe http://www.thgangguan.com spiral steel pipe http://www.naimoguanjian.com pump tube