An kafa kamfanin Tianjin Rainbow Steel Group a shekara ta 2000, dake birnin Tianjin.Tare da ci gaban shekaru 20 da suka gabata, Bakan gizo Karfe ya zama haɗaɗɗiyar ƙarfe da ƙarfe na galvanizedKarfe Bututu, galvanizedKarfe Angelmashaya, galvanized profiles, galvanized babbaTsarin Karfedon ginawa.Ƙungiyarmu tana da fasahohin masana'antu, ƙwarewar sarrafawa, ƙarfin injiniya da kayan aiki masu tasowa.Jama'ar mu masu hankali ne kuma masu kokari.Our kayayyakin hada da babban karfe Tsarin ga yi, high hanya zirga-zirga wurare, high gudun dogo karfe tsarin post, jirgin karkashin kasa karfe props ko karfe Tsarin, hasken rana hawa tsarin, da sauran manyan jobs na karfe tsarin.Painted Sprinkler karfe bututu ne yadu amfani da ruwa. ko sauran watsa ruwa a karkashin kasa .Manufacture diamita ne daga 219mm zuwa 1016mm.Ƙarshen haɗin gwiwa yana lanƙwasa ƙarshen ko haɗin gwiwar flange.da ciki epoxy shafi za a iya amfani da fot watsa ruwan rai da shi ne ba mai guba.