Sales of automation equipment, water pumps, valves, pipes, instruments, low-voltage electrical appliances, electronic components, textile raw materials, complete sets of equipment, electronic computer equipment, computer accessories, metal materials, mechanical equipment, Wujinjiaodian, construction and decoration materials, refrigeration equipment, Water treatment equipment and accessories, chemical raw materials and products (except hazardous chemicals), technology development, technical consulting, technical services, technology transfer in the professional field of network technology, design, installation and maintenance of automation equipment and complete sets of industrial automation equipment. [Projects that require approval according to law can only be carried out with approval from relevant departments]