Assembly and sales of electronic products; R&D, design, installation, and maintenance of automation equipment and accessories; technology R&D, technology transfer, and technical services in the field of automation technology; R&D and sales of industrial automation products, intelligent equipment, label products, photovoltaic equipment, mechanical equipment, and precision hardware; sales of automated assembly lines, electronic components, pneumatic components, instruments, office supplies, test fixtures, programmable controllers, low-voltage electrical appliances, computers, and office automation equipment and accessories; self-operated and agent import and export business of various commodities and technologies.