... hot dipped galvanized steel ,2 times painted,2 timesbaking . T-Grid for gypsum board ceiling tilesUse hign quality hot dipped galvanized ... size. 3.Easy installation 4.Nice appearance.Our ceiling t-grid including Main Tee , Cross Tee and wall angle. which are ... :Standard export carton,In bulk or on wooden pallet T-Grid for gypsum board ceiling tiles