Tianjin Rainbow Steel Group yakavambwa muna 2000, iri muTianjin City. Nekuvandudzwa kwemakore makumi maviri apfuura, Rainbow Steel yakava bhizinesi resimbi nesimbi rakabatana rekugadzira magaraji.Pipe yeSimbi, yakabatidzwa nesimbiNgirozi yeSimbibhawa, ma profiles akabatidzwa, akabatidzwa hombeChimiro cheSimbiyekuvaka. Chikwata chedu chine matekinoroji ekugadzira, ruzivo rwekugadzirisa, hunyanzvi hweinjiniya uye michina yepamusoro. Vanhu vedu vakangwara uye vanoshanda nesimba. Zvigadzirwa zvedu zvinosanganisira zvivakwa zvikuru zvesimbi zvekuvaka, nzvimbo dzekufambisa vanhu munzira huru, positi yesimbi yechitima chinomhanya, zvigadzirwa zvesimbi zvepasi pevhu kana zvivakwa zvesimbi, sisitimu yekumisikidza yezuva, uye mamwe mabasa makuru echimiro chesimbi. Pombi yesimbi yeSprinkler yakapendwa inoshandiswa zvakanyanya mumvura kana mamwe maturusi epasi pevhu. Dhayamita yekugadzira iri kubva pa219mm kusvika 1016mm. Jointi yacho ine magumo akachekwa kana flange joint. Epoxy coating yemukati inogona kushandiswa pakutumira mvura mhenyu uye haina chepfu.