Susū mai i le Tianjin Rainbow Steel.Matou te gaosia oloa u'amea po'o fausaga u'amea mo le Solar Mounting Steel Structure, Transmission & Distribution Steel Structures (Towers & Poles), Construction, Industrial, Scaffolding ma Greenhouse Construction. Na faavaeina le Tianjin Rainbow Steel Group i le 2000, o lo'o i le Aai o Tianjin. Ina ua mavae ni nai tausaga o le atina'eina, ua atia'e le Rainbow Steel i se pisinisi u'amea ma u'amea tu'ufa'atasi o paipa u'amea galvanized, u'amea galvanized angle bar, galvanized profiles, u'amea structures, ma o matou fo'i o le fale gaosi u'amea u'amea u'amea eletise tele i Saina. O lo'o iai la matou lava fale gaosi u'amea galvanizing, o lea e mafai ai ona galvanized uma galuega mai la matou lava fale gaosi. Saili a matou oloa u'amea e aofia ai Paipa u'amea, U'amea tulimanu, U'amea la'au, Oloa u'amea ua pu, Fausaga u'amea ua ueloina, U'amea 'olo & Pole, galuega fa'afiafia, tomai fa'apitoa i pisinisi ma le ofoina atu o auaunaga maualuga.