Features
1:  Unique swing arm mechanism design, the acceleration of swing arm detachment is more than 3G.
2: With double column guide, hydraulic buffer absorb the force of the swing arm, the movement is steady, reliable and low noise.
3:  Self locking screw lifting mechanism to prevent accidental glide of the drop mechanism.
4:  Pneumatic automatic chain, preventing swing arm abnormal glide.
5: Extensible support bracket and baseboard.