Ceiling T grids are made of galvanized steel and color steel. This production can be made of different size which is according to different size of ceiling board. Ceiling T grid has many advantages, include: beauty, good strength, cauterization resistance, and water resistance 1) the length: 3600 mm, 1200 mm, 600 mm, 3000 mm2) the width: 24 mm, 22 mm, 21 mm, 20 mm, 18 mm3) The thickness: 0.27 mm, 0.3 mm, 0.40 mm4) The height: 38 mm, 32 mm5) Shape: narrow-edge, wide-edge, plain-edge orconcave trough line.6) Installation: to fix mineral fiber ceiling board &PVC laminated gypsum board7) Specification (mm):