ʻO Tianjin Rainbow Steel Groupua hoʻokumu ʻia ma 2000, Aia ma ke kūlanakauhale ʻo Tianjin.Me ka hoʻomohala ʻana o nā makahiki he 20 i hala iho nei, ua lilo ʻo Rainbow Steel i ʻoihana hao a me ke kila o ka paipu kila galvanized, galvanized steel angle bar, galvanized profiles, galvanized steel structures for Infrastructure Construction, Building Industry, Agriculture and New Energy area.ʻO mākou nō ka mea hana hale kiaʻi uila uila nui loa ma North of China.Loaʻa i ka Rainbow Steel Group kekahi mau lālā e komo pū ana me nā laina hana kila, ka ʻoki kila, ka wili a me ka hale hana stamping, galvanizing mill a me ka hale mālama nui. ʻO kā mākou hui i nā ʻenehana hana, nā ʻike hana, nā mana ʻenekinia a me nā mea hana kiʻekiʻe.Naʻauao a paʻa ko mākou poʻe.ʻO kā mākou huahana nui e hoʻokuʻu aku i nā paipu kila, nā hana o nā hale kila a i ʻole nā ​​​​hana kiʻi, galvanized iron angle bar, flat bar, aw channels and beams, steel profiles a me nā hana kila ʻē aʻe e pono ai ka hoʻoponopono hou ʻana. Ua kūpaʻa ʻo Rainbow steel e hoʻomohala i nā ʻenehana hou a me ka lawelawe maikaʻi loa no ka hoʻokō ʻana i nā pono o ka ikehu lā.Loaʻa i kā mākou hui ma mua o 10 mau makahiki o ka ʻike a me nā hihia kūleʻa ma ka ʻoihana hoʻoulu lā (solar bracket).Ua loaʻa i kā mākou huahana ka palapala hōʻoia o TUV, CE, ISO 9001-2008 a pēlā aku.Loaʻa nā papa hana ʻoki laser, welding a stamping no nā waiwai maʻamau a maʻamau.