A. Celli SpA offers in-line winding machines, unwinding stands, off-line slitting and rewinding machines, the Combi in-line/off-line winding/slitting/rewinding machine, and slitting systems. Automatic in-line winding machines include the Windy for smaller reels, AC3, and AC5. Six models of unwinding stands operate with and without a shaft and are available with surface type belts or regenerative braking systems. Rewinding machines include the automatic AC 710 SC for smaller reels, semiautomatic AC 810 SC for nonwoven fabric manufacturing lines up to 5 meter wide, automatic AC 810 RA for manufacturing lines 2-5 meters wide, automatic AC 811 RA for manufacturing lines 5-7 meters wide, and automatic AC 890 machine for bulky products. The Combi integrates an automatic surface driven nonslitting winding machine, holding stations for 3.2 meter diameter reels, and an automatic AC 810 RA automatic rewinding machine equipped with a Slitomatic computerized slitting machine positioning unit.