600x600mm Mineral Fiber Ceiling Board Machine 2x2 Ceiling Tile Production Line Complete mineral wool board production line with annual capacity of 6 million square meters, designed for manufacturing high-quality mineral fiber decorative acoustic boards. About Mineral Fiber Board Mineral fiber board is an environmentally-friendly building material processed through batching, forming, drying, cutting, embossing, and decorative finishing. Manufactured from granular cotton and