Introducing Brotex Acoustic's 3D Curved RAL Color Aluminum Honeycomb Composite Board Ceiling Tile Acoustic Panel, featuring a micro-perforated metal design that reduces echo and sound reflections with an NRC rating of 1, available in RAL or customized woodgrain colors, and certified by CE, ISO, SGS, and Intertek, perfect for auditoriums, conference halls, schools, and offices, welcome to visit our website!