groove ceiling t bar: 1,32x24x3600x0.3mm 2,26x24x1200x0.3mm 3,26x24x600x0.3mm ... color steel. It has three items: main T-bar, middle cross T-bar and wall angle. This production can be made ... High Quality Material, Moisture proof, anti-corrosive, non-deforming, fadeless.6) High precision, high symmetry, high close fitting. 7) Strong bearing ... of mineral fiber board, aluminum ceiling groove ceiling t bar