... ,clip-in ceiling tileMtaterial:aluminum alloy or steelSizes:300*300mm,600*600mm,600*1200mmCeiling tile,square pannel,aluminum profileMaterial:aluminum alloy or steelSizes ... :300*300mm,300*600mm,585*585mm,5853*583mm,585*1183mm,600*600mmDiameter:1.8.2.3,3,10mmEdge ...