Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; electronic component manufacturing; electronic component wholesale; electronic component retail; distribution switch control equipment manufacturing; distribution switch control equipment sales; wire and cable operations; off-highway recreational vehicle and spare parts manufacturing; off-highway recreational vehicle and spare parts sales; battery manufacturing; battery sales; battery spare parts production; Sales of battery spare parts; import and export of goods; import and export of technology; import and export agency; sales of electric bicycles; manufacturing of mopeds; sales of mopeds, scooters and spare parts; manufacturing of motorcycle spare parts; wholesale of motorcycles and spare parts; retail license projects of motorcycles and spare parts: wire and cable manufacturing; operation of third-class medical equipment; power supply business; power generation business, power transmission business, power supply (distribution) business