Tianjin Rainbow Steel imapanga chubu lalikulu lomwe ndi mtundu wachitsulo chachitali chokhala ndi gawo lopanda kanthu ndipo palibe msoko mozungulira.Ndi achubu lalikuluopangidwa ndi extrusion wa seamless chubu kudzera mbali zinayi kufa.Square chubu ili ndi dzenje ndipo imagwiritsidwa ntchito kwambiri ngati chitoliro chotumizira madzimadzi.Amagwiritsidwa ntchito kwambiri pamayendedwe amadzimadzi, chithandizo cha hydraulic, kapangidwe ka makina, sing'anga ndi kutsika kwambiri, chitoliro chachikulu cha boiler, chitoliro chosinthira kutentha, gasi, mafuta ndi mafakitale ena.Ndi wamphamvu kuposa kuwotcherera osati crack.Hot adagulung'undisa zitsulo machubu amapangidwa ndi kudutsa pepala zitsulo odzigudubuza kukwaniritsa miyeso yeniyeni thupi.Chomalizidwacho chimakhala ndi mawonekedwe owoneka bwino okhala ndi ngodya zotalikirana, komanso zomangira zowotcherera kapena zopanda msoko.Kupanga machubu achitsulo ozungulira otentha kumaphatikizapo kugudubuza chitsulo pa kutentha kopitilira 1,000 Degree.
