Hebei 10 billion Steel Pipe Co., Ltd. is a professional manufacturer of high-frequency straight seam pipe manufacturer, the Company's main straight seam pipe, high-frequency straight seam pipe, welded pipe, straight seam pipe, straight seam pipe thermal expansion, high-frequency straight seam pipe, LSAW pipe, of Q235 high-frequency straight seam pipe production Q235 straight seam pipe outside diameter Φ13.5mm ~ Φ508 mm, wall thickness 0.8mm ~ 16mm ERW straight seam welded pipe material, the Q235A of Q235B Q235C Q345B, 10 # steel 20 # steel, 16Mn, etc.. Since its inception, the production of ERW Longitudinal passed the ISO9001: 2000 quality management system certification. The company with the understanding and production experience on the Q235 Longitudinal production Longitudinal excellent price, good quality, welcome to the majority of demand for Longitudinal new and old customers call to discuss. Hotline :0317-5128533 Mobile: 13323270092 Fax :0317-6322267 Contact: Wang Yuehong Website: http://www.baiyipipe.com