... ceiling Specification1,Style: plain, perforated, lay-in, clip-in or special order2,Surface smoothness, environmental friendly,elegance ... ,very excellent visual extension of space3,Easy to match lamps or other ceiling parts4,Nano series ... Aluminum alloySize300x300, 300x600, 600x600,600x1200mm…customizedThickness0.4-0.8mm,on requestHeight17mm,20mmSurface treatmentBrushed/frosted,powder coating,roller ...