Power pack with UP button and manual lowering

valve handle.

Asymmetric 2+3 stages lifting arms increasing overall

armpositioning for lifting a variety of different wheel 

base vehicles.

Automatic arm locking during liftingand automatic

unlocking when the arm reaches the floor.

Safety locks with automatic engagement and dual side 

manual lock release.

C-type enclosed arm holder gives more strength and

safety.

Enlarged anti-collision door protection rubber on

carriages.