Murakaza neza muri Tianjin Rainbow Steel.Dukora ibikoresho by'icyuma cyangwa ibyuma bikoreshwa mu byuma bikoresha imirasire y'izuba, imiyoboro y'ibyuma bikwirakwiza no gukwirakwiza (iminara n'inkingi), ubwubatsi, inganda, ikigo cy'izuba n'ubwubatsi bw'izuba. Itsinda rya Tianjin Rainbow Steel ryashinzwe mu 2000, riherereye mu Mujyi wa Tianjin. Nyuma y'imyaka myinshi ritera imbere, Rainbow Steel yahindutse ikigo cy'ibyuma bivanze n'ibyuma kigizwe n'imiyoboro y'icyuma ivanze, inguni y'icyuma ivanze, imiterere y'ibyuma, kandi turi uruganda runini rw'ibyuma bikwirakwiza amashanyarazi mu Bushinwa. Itsinda ryacu rifite uruganda rwacu rukora ibyuma bivanze, bityo akazi kose gashobora guterwa na galvanizing mu ruganda rwacu. Menya ubwoko bunini bw'ibikoresho by'icyuma birimo imiyoboro y'icyuma, inguni z'icyuma, imitako y'icyuma, ibikoresho by'icyuma bivanze, imiterere y'icyuma ivanze, Umunara n'inkingi by'icyuma, imishinga ishimishije, ubuhanga bwinshi mu nganda n'itangwa rya serivisi nziza.