Manufacturing of wood and bamboo processing machinery, manufacturing of metal processing machinery; General equipment manufacturing (excluding special equipment manufacturing), metal cutting machine tool manufacturing, CNC machine tool manufacturing; Manufacturing of specialized equipment (excluding licensed professional equipment manufacturing), sales of mechanical equipment, research and development of mechanical equipment, manufacturing of power transmission and distribution and control equipment, sales of intelligent power transmission and distribution and control equipment,Centralized fast charging stations, sales of charging piles, manufacturing of electronic components, retail of electronic components, sales of new energy vehicle electrical accessories, and operation of electric vehicle charging infrastructure;Research and development of emerging energy technologies;Technical services, technology development, technology consulting, technology transfer, technology promotion