hollow grid board production line 1.used for building,decorating,and packing,etc 2.width is 1220~3000mm, thickness is 2~16 PC PP ... PE hollow grid board production line1.used for building,decorating,and packing,etc2 ... 2~16mmDescription:1. The equipments is applicable to produce PC,PP,PE hollow profile board.2. The products is used widely for building ...