Tianjin Rainbow Steel ikora umuyoboro wa kare, ni ubwoko bw'icyuma kirekire gifite igice cy'ububobere kandi kidafite umugozi ukikikije. Niumuyoboro wa kareIkorwa no gusohora umuyoboro udafite umugozi unyuze mu mpande enye z'icyuma. Umuyoboro wa kare ufite igice cy'ububobere kandi ukoreshwa cyane nk'umuyoboro wo gutwara amazi. Ukoreshwa cyane cyane mu gutwara amazi, gushyigikira amazi, imiterere ya mekanike, umuvuduko uringaniye n'uwo hasi, umuyoboro wa boiler ufite umuvuduko mwinshi, umuyoboro wo guhinduranya ubushyuhe, gazi, peteroli n'izindi nganda. Urakomeye kurusha gusudira kandi ntucikagurika. Imiyoboro y'icyuma ishyushye ikorwa hakoreshejwe icyuma gica mu byuma bizunguruka kugira ngo bigere ku bipimo byihariye. Igicuruzwa cyarangiye gifite ubuso buto bufite impande zizunguruka, ndetse n'ubwubatsi buvanze cyangwa budafite umugozi. Gukora imiyoboro y'icyuma gishyushye gikubiyemo kuzunguruka icyuma ku bushyuhe burenga dogere 1.000.