Takulandirani ku Tianjin Rainbow Steel. Timapanga zinthu zachitsulo kapena kapangidwe kachitsulo ka Irrigation System, Solar Mounting Steel Structure, Transmission & Distribution Steel Structures (Towers & Poles), Construction, Industrial, Scaffolding ndi Greenhouse Construction. Tianjin Rainbow Steel Group idakhazikitsidwa mu 2000, yomwe ili ku Tianjin City. Pambuyo pa zaka zingapo za chitukuko, Rainbow Steel yakula kukhala bizinesi yachitsulo ndi chitsulo chophatikizana cha chitoliro chachitsulo cholimba, galvanized steel angle bar, galvanized profiles, steel structures, ndipo ndife fakitale yayikulu kwambiri yachitsulo cholimba ndi pole ku China. Gulu lathu lili ndi galvanizing mill yathu, kotero ntchito zonse zitha kupangidwa kuchokera ku fakitale yathu. Dziwani zinthu zathu zambiri zachitsulo kuphatikiza Mapaipi achitsulo, Ma Angles achitsulo, Mitengo yachitsulo, Zopangira Zitsulo Zopindika, Ma Structure achitsulo cholimba, Nsanja yachitsulo & Mzati, Mapulojekiti osangalatsa, ukatswiri waukulu wamakampani komanso ntchito yabwino kwambiri.