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