C-9 series of Excavators developed by SANY adopts major breakthrough ranging from power system to control system for high efficiency and energy savings. This in addition to insistence on “Quality-in-everything-we-do” has delivered the world class excavators best suited for the multitude of your work requirements with superior advantages of unlimited operations, unmatched productivity at better fuel economy, helping you maximise your gains Sany excavators come loaded with Dynamic Optimization Matching Control System (DOMCS) which realizes a match between the engine and external load demand for better fuel efficiency