ceiling grids, 1,the height:38mm,32mm the width:24mm,22mm the thickness:0.27mm,0.3mm,0.40mmthe length:600mm,1200mm,3000mm,3660mm.2,we have groove T Bar and plane T Bar for your choice3,the materials,we choose high-quality hot-dipped galvanized steel coil.4,packing,27pcs main tee packed in one carton,75pcs cross tee packed in one,and 50pcs wall angle packed in a carton. 5, PVC gypsum ceiling tiles Technical performance 1,gypsum plasterboard as basic materials 2, the face film is coated with PVC and aluminum paper. 3,the thickness:7.5mm12mm 4,the size:595x595,600x600,603x603,605x605,600x1200 5,unit square of qulity:6.5kg/m2 6, Moisture content: 1% 7, Strength: fracture load:150N