New temperature controllers, new motor controllers, new power supply equipment, combustion control equipment, battery control management equipment, electric vehicle control equipment, electric vehicle charging equipment, elevator control monitoring equipment, power quality detection and management equipment, security equipment, monitoring equipment, battery packs, protection boards, uninterruptible power supplies, emergency power supplies, communication power supplies, inverters, chargers, transformers, sensors, electronic components, instruments, explosion-proof electrical appliances, vacuum electrical appliances, high and low voltage electrical appliances, communication equipment, teaching instruments, transportation equipment, environmental protection equipment, automation equipment, robots, electronic products and accessories technology development, technical consulting, technology transfer, technical services, production, sales, installation, and maintenance; Development and maintenance of computer software and hardware; Sales: Hardware and electrical equipment, metal products, plastic products, tools and cutting tools, pipeline accessories, lithium batteries, laser products, drones, wires and cables, office supplies, craft gifts; Import and export of goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)***