hollow grid board production line 1.used for building,decorating, ... 3000mm, thickness is 2~16 PC PP PE hollow grid board production line1.used for building,decorating,and packing,etc2 ... equipments is applicable to produce PC,PP,PE hollow profile board.2. The products is used widely for building ... , road noise isolation and packing.3. PP hollow profile board can instead of carton which have feature like ...