I-Tianjin Rainbow Steel Group yasungulwa ngo-2000, etholakala eDolobheni laseTianjin. Ngokuthuthuka kweminyaka engama-20 edlule, i-Rainbow Steel yaba yibhizinisi elihlanganisiwe lensimbi nensimbi eyenziwe nge-galvanized.Ipayipi Lensimbi, i-galvanizedIngelosi Yensimbiibha, amaphrofayili aqinisiwe, i-galvanized enkuluIsakhiwo Sensimbikwezakhi. Ithimba lethu linobuchwepheshe bokukhiqiza, okuhlangenwe nakho kokucubungula, amakhono obunjiniyela kanye nemishini ethuthukisiwe. Abantu bethu bahlakaniphile futhi basebenza kanzima. Imikhiqizo yethu ifaka phakathi izakhiwo ezinkulu zensimbi zokwakha, izikhungo zethrafikhi yemigwaqo emikhulu, iposi lesakhiwo sensimbi yesitimela esinejubane eliphezulu, izinsimbi zensimbi noma izakhiwo zensimbi, uhlelo lokufaka ilanga, kanye neminye imisebenzi emikhulu yesakhiwo sensimbi. Ipayipi lensimbi elipendiwe eli-Sprinkler lisetshenziswa kabanzi emanzini noma kwezinye izinto ezidluliswa uketshezi ngaphansi komhlaba. Ububanzi bokukhiqiza busukela ku-219mm kuya ku-1016mm. Ijoyinti liyi-bevelded end noma i-flange joint. I-epoxy coating yangaphakathi ingasetshenziswa ekudlulisweni kwamanzi aphilayo futhi ayinabo ubuthi.