... .3mm, 3.0mm, 5.0mm), non-perforated.4) edge type: clip-in, lay-in.5) Size: 300x300, 400x400, 500x500, 600x600, 300x1200 ... tee, various type of ceiling grid available.10) Features: easy installation, soundproof, fireproof, elegant decoration. perforated suspended ceiling tile for building contractor in ...