... gearbox, its running very stably, low noise and strong power. 7. The blade base and blade on the rotary roller can be ... system is hydraulic ways , ,its running very stably the machine is control by PLC system ,.the blade can rotated in opposite direction , ... centrally located touch screen control panel.Backed with one of the best Warrantees in the industryPlz enquiry us freely,if you got any questions ...