The scope of operation of test (sandong) ltd. Includes general items: industrial robotics; industrial auto-control system devices; electromechanical equipment development; sale of mechanical equipment; sale of special equipment; sale of smart material handling equipment; manufacture of material handling equipment; sale of material handling equipment; sale of automobiles; sale of electric bicycles; sale of agricultural machinery; and sale of specialized equipment for environmental protection. Road motor vehicle production; special equipment manufacturing。