make a small scissor lift drive system with a electric motor driven two screw jacks lifting systems

small scissor lift drive system advantages include precison positioning, safely self-locking (no need brake mechanism and other locking system, never creep), heavy duty, uniform lifting speed and full synchronization, multiple screw jack lift system arrangement, electrically driven or manual operation and both. know more, please visit: http://www.screw-jack.com/info/Application-Screw-Jack-Scissor-Lift-Table.html