1)High grade quality gray chip paper board 2) Used in binding and packing industry. 3)Past ISO9001-2008,FSC,SGS,SDS TEST. 4)Usage:the grey chip paper board is widely used for stationery and paper packaging industry of gift boxes,ringbind,book cover,lever arch file production,photo frame,jigsaw puzzle,cigaretee case,wine boxes etc. 5)Brands:FUGUIZHU, high-end brand. Its harsh process and technical ...