plaster of paris ceiling 1.acoustic ceiling of high quality, 2.competitive price & best service 3.10 years quality garant suspended plaster ceiling ... Decorative Material Co., Ltd. is a professional manufacturer of Gypsum/Plaster Board, Baked Paint T-bar (T-channel, carrier, Keel, ... T-grid, T-beam), Aluminum Alloy T-bar, Plaster (Gypsum) Cornice/Line, Light Steel Keel/Metal Stud, Wall Paint ...