Akwai nau'ikan injunan ƙarfe na ƙarfe na keel a kasuwa, kamar C75, C89, C140, da C300.Gabaɗaya, ƙaƙƙarfan ƙaƙƙarfan ƙarfe da ke ƙasa da benaye 4 a kasuwa galibi suna amfani da injin C89 haske karfe villa keel don aiwatar da bel ɗin ƙarfe na aluminum-zinc.Amma zaku iya tsara shi gwargwadon bukatun ku.Kuma wannan injin shine don samar da firam ɗin ƙarfe na C89 don gidan villa. yin.