All part is made by mold, preciser and more accurate, and stronger stable performance.
2.Left or right installed can be amendable.
The model can be set up for both left and right lifting to avoid any inconvenience.
3.Accurate link mechanism:
Telescopic arm model, straight, folding, and fence available as well.
4.70W turbine worm transmission deceleration induction motor:
Steady running, noice compression, compactable structure, self-locking available.