Double Deck Wide Belt Sanding Line high-precision, high-effeciency can do single-side sanding, or finish double-side polishing The sanding section is the last and important step to get excellent artificial board on the artificial board production process. Our Double Deck Wide Belt Sanding Lines help to produce perfect artificial boards. Our sanding lines consist of two units of sanders: 1) two-head wide belt sander, and 2) four-head wide belt sander. These two units of sanders play the roles of rough-sanding and fine-sanding, help to set precise thickness of the board and then make the board surface perfectly even, which will make the boards easy and convenietn for further processing. The features of our Sanding Lines:High-precision, top-quality, high-efficiency (complete calibrating and can do single-side sanding, or finish double-side polishing at the same time).