... etc Specification Grille ceilingProduct:Aluminum grille ceiling, grille ceiling, metal grille ceilingMaterial:high quality Aluminum alloySize:10*40, 15*50mm ... 52.,etcPowder coating thickness:0.08mm(average thickness 0.08mm)Colour:Refer to RAL Color chartcoating:Ployester powder,PE,PVDF ... room,supermarket,school,corridor,toilet,hospital,re-decoration works. decorative metal grille ceiling panel