I-Tianjin Rainbow Steel Group yasungulwa ngo-2000, etholakala eTianjin City.I-Rainbow Steel iyibhizinisi elididiyelwe lensimbi nensimbi lamapayipi ensimbi, i-galvanized steel angle bar, amaphrofayli anamathangi, izakhiwo zensimbi zokwakhiwa kwengqalasizinda, Imboni Yezokwakha, Ezolimo kanye nendawo Yamandla Amasha.Imikhiqizo yethu ithole isitifiketi se-TUV, CE, ISO 9001-2008.I-Laser cutting, i-welding kanye ne-stamping workshops iyatholakala ngezimpahla ezijwayelekile nezenziwe ngezifiso.