Paper angle: angle board all by the kraft paper or other types of paper into, with a pressure resistance, moisture resistance, light weight, small size, low price. It provides secure transportation for the whole pallet packaging can enhance the strength of stacked cartons, packaged with the products to prevent damage to the product edges and corners for effective protection, and strengthening the product tray. Especially in environmental compliance, recovery and recycling rate of 100%, which is ideal for all walks of life new green packaging materials.