Hebei ten billion Steel Pipe Manufacturing Co., Ltd. production and sales of ERW longitudinally welded pipes, the company's main steel pipes, high-frequency straight seam steel pipe, welded pipe, straight seam pipe, using today's state-of-the-art international row roll-forming process, electrical configuration with Germany's Siemens PRC and British MENT DC digitized governor control device to ensure that the unit high-precision, high-efficiency operation reliability. Production ERW straight seam welded pipe outside diameter for Φ13.5mm ~ Φ508mm, and wall thickness of 0.8mm ~ 16mm ERW straight seam welded pipe material Q235A Q235B Q235C Q345B 10 # steel 16Mn. ERW longitudinally welded pipes production all the organization of production in accordance with the national standard GB/T3091-2001, GB/T13793-92, GB/T6728-2002. Since its inception, the production of ERW longitudinally welded pipes reached advanced domestic and international level of the same industry. And passed the ISO9001: 2000 quality management system certification. Complete specifications of the Company's production of ERW longitudinally welded pipes, excellent prices and good quality. Ten billion company is willing to cooperate in good faith with all levels of users, welcome new and old customers Hebei tens of billions of Steel Pipe Manufacturing Co., Ltd. production and sale of ERW longitudinally welded pipes, steel pipe, the company's main high-frequency straight seam steel pipe, welded pipe, straight seam pipe, using today state-of-the-art international row roll-forming process, the electrical configuration German Siemens the PRC and British MENT DC digital speed control devices to ensure that the unit high-precision, high-efficiency operation reliability. Production ERW straight seam welded pipe outside diameter for Φ13.5mm ~ Φ508mm, and wall thickness of 0.8mm ~ 16mm ERW straight seam welded pipe material Q235A Q235B Q235C Q345B 10 # steel 16Mn. ERW longitudinally welded pipes production all the organization of production in accordance with the national standard GB/T3091-2001, GB/T13793-92, GB/T6728-2002. Since its inception, the production of ERW longitudinally welded pipes reached advanced domestic and international level of the same industry. And passed the ISO9001: 2000 quality management system certification. Complete specifications of the Company's production of ERW longitudinally welded pipes, excellent prices and good quality. The ten billion company is willing ERW Longitudinal Welded Steel Pipe Manufacturing Co., Ltd. and Hebei ten billion production and sales, the company's main steel pipes, high-frequency straight seam steel pipe, welded pipe, straight seam pipe, using today's state-of-the-art international row roll-forming process, electrical configure the German company Siemens the PRC and British MENT DC the digitizing speed control device to ensure that the unit high-precision, high-efficiency operation reliability. Production ERW straight seam welded pipe outside diameter for Φ13.5mm ~ Φ508mm, and wall thickness of 0.8mm ~ 16mm ERW straight seam welded pipe material Q235A Q235B Q235C Q345B 10 # steel 16Mn. ERW longitudinally welded pipes production all the organization of production in accordance with the national standard GB/T3091-2001, GB/T13793-92, GB/T6728-2002. Since its inception, the production of ERW longitudinally welded pipes reached advanced domestic and international level of the same industry. And passed the ISO9001: 2000 quality management system certification. Complete specifications of the Company's production of ERW longitudinally welded pipes, excellent prices and good quality. The the ten billion company is willing to cooperate sincerely with all levels of users, welcome new and old customers to visit us. All levels of users to cooperate sincerely welcome new and old customers to visit us. Households throughout the visit. Hebei ten billion Steel Pipe Manufacturing Co., Ltd. production and sales of ERW longitudinally welded pipes, the company's main steel pipes, high-frequency straight seam steel pipe, welded pipe, straight seam pipe, using today's state-of-the-art international row roll-forming process, electrical configuration with Germany's Siemens PRC and British MENT DC digitized governor control device to ensure that the unit high-precision, high-efficiency operation reliability. Production ERW straight seam welded pipe outside diameter for Φ13.5mm ~ Φ508mm, and wall thickness of 0.8mm ~ 16mm ERW straight seam welded pipe material Q235A Q235B Q235C Q345B 10 # steel 16Mn. ERW longitudinally welded pipes production all the organization of production in accordance with the national standard GB/T3091-2001, GB/T13793-92, GB/T6728-2002. Since its inception, the production of ERW longitudinally welded pipes reached advanced domestic and international level of the same industry. And passed the ISO9001: 2000 quality management system certification. Complete specifications of the Company's production of ERW longitudinally welded pipes, excellent prices and good quality. The the ten billion company is willing to cooperate sincerely with all levels of users, welcome new and old customers to visit us.