Tianjin Rainbow Steel Groupbụ ọkachamara na mmepụta na onye na-ebubata paịpụ ígwè na mba ofesi na China, anyị bụ ọkachamara n'ịmepụta paịpụ ígwè a na-agbakọta ugboro ugboro, paịpụ ígwè galvanized, paịpụ ígwè ERW, ígwè angle rolled na-ekpo ọkụ, paịpụ ígwè GCOE square/rectangular. Ngwa mmepụta anyị gụnyere ahịrị ngwaahịa paịpụ ígwè ise, anyị nwere ike inye tọn puku 350 kwa afọ. Anyị na-ejide igwe kachasị ọhụrụ, nkà nrụpụta kachasị elu, yana sistemụ njikwa mma siri ike yana ngwaọrụ emelitere zuru oke maka nnwale na nyocha site na mpụga ihe eji arụ ọrụ ruo na nnyefe ibu. Anyị nwetara asambodo nke BV na ISO9001:2000. Ngwaahịa anyị nwere ike iru ọkọlọtọ ASTM DIN JIS GB BS. Ngwaahịa anyị metụtara mmanụ ala, ike, ígwè gas, ime akwụkwọ, kemịkalụ, akụrụngwa ahụike, ụgbọelu, okpomọkụ boiler, mgbanwe, iwu ụgbọ mmiri, owuwu, wdg. Ngwaahịa anyị gbasaara n'ụwa niile, dịka Germany, Italy, North America, South America, Southeast Asia, Japan, HongKong na Taiwan. Ebumnuche anyị bụ ịdị mma kachasị elu, ọnụ ahịa asọmpi, na ọrụ kacha mma iji mee ka ndị ahịa anyị nwee afọ ojuju, anyị ka ga-anọgide na-emepụta ma na-emepụta ihe ọhụrụ, wulite ụlọ ọrụ ntụkwasị obi kacha mma na aha kachasị elu n'ụwa. Anyị na-anabata ndị ahịa niile si gburugburu ụwa ka ha soro anyị rụkọọ ọrụ, mepụta ma baara anyị abụọ uru!