(Water supply, sewerage, drainage channels) to provide water supply, sewerage and drainage pipes for the Hebei ten billion to provide you with water supply, sewerage, drainage channels for spiral steel pipe, large diameter straight-seam pipe, thick wall pipe, hot expanded steel pipe. My company has a city water supply pipeline project, drainage pipeline engineering, construction and water supply and drainage engineering, industrial water supply, drainage channels, engineering and other aspects of pipeline construction products. Based on the quality, the full implementation of quality management. 2006 passed the ISO9002 quality management system certification, and passed the ISO9001-2000 quality management system certification in May 2007. Welcome to call 0317-5128533 mobile phone: 13323270092 Fax :0317-6322267 Contact: Wang Yuehong URL: http://www.baiyipipe.com