Established in 1997, Shandong Donghong Group Co., Ltd has been engaged in research and production of a wide range of plastic pipes and fittings, including hdpe pipe, steel wire reinforced hdpe composite pipe, uhmwpe pipe, pp-r pipe and pe-rt pipe, etc. The applications cover water supply, gas supply, water drainage and sewage pipeline in various fields like agricultural irrigation, infrastructure construction, oil-gas fields and coal-mine industry in the past fifteen years. All our products available comply with the international quality standards, like ISO9001:2000 and ISO14001:2004 and have...