Tianjin Rainbow Steel Group was founded in 2000, located in Tianjin City.  Rainbow Steel is an integrated iron and steel enterprise of galvanized steel pipe, galvanized steel angle bar, galvanized profiles, galvanized steel structures for Infrastructure Construction, Building Industry, Agriculture and New Energy area. Our products have obtained the certificate of TUV, CE,ISO 9001-2008 . Laser cutting,welding and stamping workshops are available for normal and customized goods.