One of recent product of DSDA is 6 DOF Stewart Simulator. DSDA designed a simulator with 3 ton capacity, 1m off board load mass center, top acceleration of 10m/s2 and 5Hz band width. A sub-scale prototype was fabricated and assembled in 2018. Based on experience and capability of DSDA in design and supply of special systems and using qualified components, DSDA is able to design and fabricate simulators, electrical and electrohydraulic stabilizers and compensators based on Stewart Mechanism.