Tianjin Rainbow Steel Gulundi akatswiri ndi mayiko zitsulo wopanga chitoliro ndi katundu ku China, Ndife apadera popanga mkulu pafupipafupi welded mipope zitsulo, kanasonkhezereka zitsulo mapaipi, ERW zitsulo mipope, Hot adagulung'undisa ngodya zitsulo, GCOE lalikulu/makona anayi chitoliro zitsulo.zida zathu kupanga zikuphatikizapo 5 zitsulo mizere chitoliro mankhwala, tikhoza kupereka matani 350 zikwi pa chaka.Tili ndi makina atsopano kwambiri, luso lapamwamba kwambiri lopanga zinthu, komanso makina okhwima owongolera omwe ali ndi zida zonse zosinthidwa kuti ziyesedwe ndikuwunika kuyambira pakugulitsa zinthu mpaka kutumiza katundu.Tili ndi satifiketi ya BV ndi ISO9001:2000.Zogulitsa zathu zimatha kukwaniritsa miyezo ya ASTM DIN JIS GB BS.Zogulitsa zathu zimagwiritsidwa ntchito ku Petroli, mphamvu, zitsulo zamagetsi, kupanga mapepala, mankhwala, zipangizo zamankhwala, ndege, kutentha kwa boiler, kusinthanitsa, kumanga zombo, zomangamanga, etc. Zogulitsa zathu zimafalikira padziko lonse lapansi, monga Germany, Italy, North America. , South America, Southeast Asia, Japan, HongKong ndi Taiwan.Cholinga chathu ndi chapamwamba kwambiri, mtengo wampikisano, komanso ntchito yabwino kwambiri yokhutiritsa makasitomala athu, tidzapitilizabe kupanga ndikupanga zatsopano, kupanga kampani yodalirika komanso yodziwika bwino kwambiri padziko lonse lapansi.Tikulandira makasitomala onse padziko lonse lapansi kuti agwirizane nafe, kukulitsa ndi kupindula tonsefe!