Itsinda rya Tianjin Rainbow Steel ni uruganda mpuzamahanga rw’imiyoboro y’icyuma rw’umwuga kandi rutanga serivisi mu Bushinwa, twibanda ku gukora imiyoboro y’icyuma ikoreshwa inshuro nyinshi, imiyoboro y’icyuma ya galvanised, imiyoboro y’icyuma ya ERW, icyuma gishyushye gifunganye, umuyoboro w’icyuma wa GCOE kare/urukiramende. Ibikoresho byacu birimo imiyoboro 5 y’icyuma, dushobora gutanga toni ibihumbi 350 ku mwaka.Dufite imashini nshya, ubuhanga buhanitse mu gukora, na sisitemu ikomeye yo kugenzura ubuziranenge hamwe n'ibikoresho bigezweho byo gupima no kugenzura kuva ku gutanga ibikoresho fatizo kugeza ku gutwara imizigo. Twabonye icyemezo cya BV na ISO9001: 2000. Ibicuruzwa byacu bishobora kuzuza amahame ya ASTM DIN JIS GB BS. Ibicuruzwa byacu bireba Peteroli, ingufu, ibyuma bya gaze, gukora impapuro, imiti, ibikoresho by'ubuvuzi, indege, ubushyuhe bwa shoiler, ivuriro, kubaka amato, ubwubatsi, nibindi. Ibicuruzwa byacu bikwirakwira ku isi yose, nko mu Budage, mu Butaliyani, muri Amerika ya Ruguru, muri Amerika y'Epfo, muri Aziya y'Amajyepfo, mu Buyapani, muri Hong Kong na Tayiwani. Intego yacu ni ubwiza bwo hejuru, igiciro gishimishije, na serivisi nziza kugira ngo dushimishe abakiriya bacu, tuzakomeza guhanga no guhanga udushya, twubake ikigo cyiza kandi gifite izina ryiza ku isi. Twakira abakiriya bose baturutse impande zose z'isi kugira ngo badufatanye, baduteze imbere kandi badufashe twese!