Galvanized Cchannel steelgood quality structural c purlin iyathengiswa

GalvanizedcsteelIzicelo ze zisetshenziselwa ukwesekwa kwesakhiwo ezakhiweni. Ngokuvamileishaneli engu-cama-purlins ayizingxenye ezinkulu zezakhiwo zophahla. Amapulangwe ophahla asekelwa noma ngamapulangwe noma izindonga zesakhiwo futhi uphahla lwendlalwe phezu kwama-purlins.