Detailed Description ceiling T-bar product sizes: 38H main tee: 38*24*3600mm cross tee: 26*24*1200mm cross tee: 26*24*600mm wall angle:24*24*0.4*3000mm 32H main tee: 32*24*3600mm cross tee: 26*24*1200mm cross tee: 26*24*600mm wall angle:22*22*0.4*3000mm The length can be provided in accordance with customers' requirements Thickness: 0.23 - 0.4mm Advantages of T grid ( t bar, ceiling keel, ceiling steel keel): 1.Superposition joint part between main carrier and vice carrier or vice carrier and carrier is called point lap. 2.It uses lap structure to assembly, connection between joints dovetail very well. The joint face unknits and have a nice appearance. 3.There is a barb at the vice carrier joint, it can avoid loosing and falling from the infection of outside force. 4.Soleplate of main and vice carrier is zincification armor plate, which meets the national GB standard demand.