Name:clip in ceilings 600*600*0.5 fire-proof,water-proof,environment friendly wadely ... .3) Surface style: perforated(dia.1.8mm, 2.3mm, 3.0mm, 5.0mm), non-perforated.4) edge type: clip- ... in, lay-in.5) Size: 300x300, 400x400, 500x500, 600x600, 300x1200, 600x1200 or ... customized size.6) total panel thickness: ranging from 0.5 to 1.0mm.7) Certificates: ISO9001-2000, CE8) ...