Handan Zhengda Steel Pipe Co., Ltd. (ZDP) is located in Handan, Hebei Province, which is known as a professional steel pipe manufacture in China.Established in 2005, based on its own strength, ZDP has been developing continuously. It has invested in constructing QianAn Zhengda General Steel Pipe Co., Ltd. Until 2016, ZDP is the top 3 steel pipe manufacture in China, now has more than 4,000 employees, with annual production capacity 6 million tons.ZDP’s six products are ERW Steel Pipe, Hot-Dip Galvanized Pipe, Square and Rectangular Steel Pipe, Galvanized SHS and RHS, Spiral Steel Pipe and Steel –Plastic Composite Pipe. ZDP has been approved by ISO9001-2008, ISO14001:2004, BS-OHSAS 18001:2007, API 5L and CE Certificates. ZDP pipes are widely used in transporting of water, gas, air, oil, heating steam and other low-pressure fluid, also used for scaffolding, furniture, greenhouse and other mechanical construction.ZDP is the assigned supplier of China Construction, CRCC ,CNPC, Sinopec, CRCC, China Coal and other national companies. ZDP’s Products have been exported to UK, USA, Canada, Mexico, Libya, Russia, Peru, Australia, Tajikistan, Columbia, Portugal, Albania etc..