MDF Paper Finishing Desk,Wood Veneer Finishing Desk,Melamine Finishing Desk Esun Furniture Company Limited , http://www.fs-furnitures.com Rollem's Champion 990 ETR system can perform indentation, punching, and slitting in a digital manner to avoid common problems such as tearing or misprinted sheets. The system can load 30-inch-thick sheets at a time and can be processed on-line with an 8-fold folding machine at a processing speed of 18,000 sheets per hour and can process sheets of 4 inches by 6 inches to 24 inches by 29 inches, from 20 lbs. Thin paper to heavy cardboard can be processed.