Manufacturing of auto parts and accessories; R&D of auto parts; Manufacturing of motorcycle parts; R&D of motorcycles and parts; Sales of mechanical parts and components; Manufacturing of plastic products; Sales of plastic products; Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; Sales of charging piles; Centralized fast charging stations; Sales of new energy vehicle power swap facilities; Sales of new energy vehicle electrical accessories; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission, distribution and control equipment.