Upgrade your old specification machines to the latest technology eg:

Replace old hydraulic variators or DC motors on your machine to AC motors with inverter control for improved speed ratio & stability.
Replace electromagnet, vacuum or pnuematic clutch brakes on your fly knife cutters to servo motor with a new Lyons Electronics controller.
Replace existing complicated pnuematic systems on travelling saws with new solenoid valves & an electronic controller. 
Refurbish, including complete strip down of your old machine, sand blast, repaint & reassemble replacing with new, updated parts where needed.