Introducing Brotex Acoustic's RAL White Insulated Aluminum Fence Roof Panels Ceiling Soundproof Honeycomb Board, a cutting-edge micro-perforated metal acoustic ceiling & wall panel that reduces echo and sound reflections with an excellent NRC rating of 1, featuring a smooth surface finish, non-combustible aluminum core, and PVDF powder coating in RAL or customized woodgrain colors, perfect for auditoriums, conference halls, schools, and offices, welcome to visit our website!