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

• "帕特"孔木吸声板是一种在中密度纤维板的正面、背面开圆孔的结构吸声材料，常用于墙面和天花装饰。