Features: 
- Quality engineering ensure high safety; 
- Double chain over hydraulic design enable low ceiling application 
- Stable and silent operation hy hydraulic power pack; 
- Synchronization system with two high grade steel wire rope; 
- Mechanical and hydraulic safety cover from 500mm to maximum lifting height; 
- UHMW sliding blocks derease 50% frication compare with PA6 material; 
- Friendly, long lasting powder coarting finish; 
- Enforced arm and carriage connection give 50% more strength compare with competitor; 
- Single point safety release or electronic lock release;