... .3mm 3,26x24x600x0.3mm 4,22x22x3000x0.3mm InrtroductionCeiling T Grids are made of galvanized steel and color steel ... . It has three items: main T-bar, middle cross T-bar and wall angle. This production can ... is according to different size of ceiling board. Ceiling T grids has many advantages, include: beauty, good strength, ... mineral fiber board, aluminum ceiling Suspended Ceiling T Grid