... and quieter than motor type.3. Higher floor, with our new technology, we could build puzzle system 15 floors ... you usually change cylinders.6. Our systems come with zinc spray finishing for anti-rust, so you don ... money on that.7. Lower cost on equipment. With hydraulic tower system, the only similar product is auto ... than 1,000 parking lots and we install every year more than 15,000 spaces all over ...