I-Tianjin Rainbow Steel Group yasekwa ngo-2000, ikwiSixeko saseTianjin. Ngokuphuhliswa kweminyaka engama-20 edlulileyo, iRainbow Steel yaba lishishini elidibeneyo lesinyithi nentsimbi eyenziwe nge-galvanized.Umbhobho wentsimbi, i-galvanizedIngelosi yentsimbiibha, iiprofayili ze-galvanized, i-galvanized enkuluUlwakhiwo lwentsimbiyokwakhiwa. Iqela lethu linetekhnoloji yokuvelisa, amava okucubungula, izakhono zobunjineli kunye nezixhobo eziphambili. Abantu bethu bakrelekrele kwaye basebenza nzima. Iimveliso zethu ziquka izakhiwo ezinkulu zentsimbi zokwakha, izibonelelo zendlela enkulu, iposti yesakhiwo sentsimbi yesitimela esinesantya esiphezulu, izixhobo zentsimbi yesitimela esingaphantsi komhlaba okanye izakhiwo zentsimbi, inkqubo yokufaka ilanga, kunye neminye imisebenzi emikhulu yesakhiwo sentsimbi. Umbhobho wentsimbi ye-Sprinkler epeyintiweyo usetyenziswa kakhulu emanzini okanye kwezinye izinto ezihambisa ulwelo phantsi komhlaba. Ububanzi bomveliso buqala kwi-219mm ukuya kwi-1016mm. Ijoyinti inesiphelo esibhityileyo okanye ijoyinti yeflange. I-epoxy coating yangaphakathi ingasetyenziswa ekudlulisweni kwamanzi aphilayo kwaye ayinatyhefu.