Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd., established in March 2002 and stemmed from the Tianjin Yuantai Industrial and Trading Co., Ltd, is located in the biggest pipes-manufacturing base-Daqiuzhuang industrial zone in Jinghai Tianjin which is close to the China National Highway 104 and 205 and is only 40 km far away from the Tianjin Xingang Port. The excellent geographical location supports the convenience to both inland and outland transportation. Tianjin Yuantai Derun Pipe Manufacturing Group Co., Ltd. Includes 10 subsidiaries. It is a united enterprise with registered fund of USD 65 million and fixed assets of USD 200 million. Yuantai Derun is one of "The top 500 manufacturing enterprises in China" and "The top 500 private enterprises in China". With annual production capacity of 4 million tons, Yuantai Derun had become the biggest manufacturer of ERW square&rectangular hollow section in China. Yuantai Derun has 7 factories, 59 production lines of ERW pipe, 10 production lines of galvanized pipe and 3 production lines of spiral welded pipe. Square pipe from 20*20*1mm to 800*800*40mm, rectangular steel pipe from 20*30*1.2mm to 500*700*40mm, spiral pipe from Ø 219-1420mm can be manufactured. Yuantai Derun can manufacture square rectangular pipes as per the standards of ASTM A500, JIS G3466, EN10219, JG 178-2005. Yuantai Derun has the biggest square rectangular pipe stock in China which can meet customer's direct requirement. Yuantai products are used in China famous projects such as the National Stadium (Bird's Nest), the National Grand Theater and the Zhuhai-HongKong-Macao Bridge. Yuantai products are widely exported to Middle East, Southeast Asia, European Union, Africa, Latin America, USA etc. Yuantai Derun obtained the certificates of ISO9001-2008 International Quality Management System In 2012 and EU CE10219 system in 2015.