Dongpengboda (Tianjin) Industrial Co.,Ltd. is located in Daqiuzhuang, Tianjin, which is the biggest welded pipe production base in the world.top 3 company in production base.Group companies have a professional production of galvanized round pipe, galvanized square and rectangular pipe, hot rolled square and rectangular steel pipe and other various types of steel pipes. We have a total of 15 steel production lines, ISO9001-2008, BV