Patt Crooved Panel is a kind of product which the grooves are on visible side and the round holes are on the rear, their core materials are medium density fiberboard(MDF),they can be used for wall and ceiling finish.

• "帕特"槽木吸声板是一种在中密度纤维板的正面开槽、背面开圆孔的狭缝共振吸声材料，常用于墙面和天花装饰。