moisture proof, anti-corrosive, non-deforming, fadeless and strong bearing capacity Ceiling T Grid1. Type: Plane Keel, Groove Keel, Solid Groove Keel2. Specification: the metric system&the British System 38H/32HMain Tee:38x24x3000/3050/3600/3660mm, 32x24X3000/3050/3600/3660mmCross Tee:26x24x1200/1220mm, 26x24X1200/1220mmCross Tee:26x24x600/610mm, 26x24X600/610mmWall Angle:22x22x3000mm, ...