Tianjin Baolai Industry and Trade Co., Ltd

China Tianjin Baolai Industry and Trade Co., Ltd., established in June 2002, is a comprehensive enterprise integrating industry and trade. The company is an enterprise mainly based on production of high-frequency straight-seam welded steel pipes, hot-dip galvanized steel pipes, operation of steel building materials, and import and export trade.The company has eight pipe production lines, specializing in production of various specifications and grades of high-frequency straight-seam welded steel pipes with outer diameter of 26.8mm-273mm and wall thickness of 2.5mm-12.0mm; four hot dipping and galvanizing lines, and two hanging plating zinc production lines; it possesses deep processing capacity of large steel pipes, and can undertake thermal expansion of steel pipes with outside diameter of 325mm-630mm. The products implement national standards GB/T9711.1, GB/T19830, GB/T 3091, GB/T14291, GB/T13793, GB/T6728, and YB/T4028, American standards API-5L, API-5CT, ASTM A513, ASTM A53, and ... [详细介绍]