Galvanized Cchannel steelgood quality structural c purlin no ke kuai

ʻO ka hao haoHoʻohana ʻia nā noi no ke kākoʻo kūkulu hale. ʻO ka mea maʻamaugalvanized c channelʻO nā purlins nā mea nui o nā hale hale. Kākoʻo ʻia nā purlins o ka hale e nā lāʻau a i ʻole nā ​​paia kūkulu hale a kau ʻia ka pā hale ma luna o nā purlins.