The business scope includes international trade agency; Sales, installation and maintenance of security equipment, electronic products, instruments and meters; Sales of aluminum profiles, aluminum plastic plates, aluminum veneer and decorative materials; Sales of wires and cables, drilling tools, intelligent equipment, mechanical equipment, plastic products, rubber products, CNC machine tools, metal materials and products, and chemical products (excluding dangerous chemicals and precursor drugs); Logistics information consultation; Sales and installation of storage equipment and storage shelves; Technical development and technical consulting services for industrial automation control systems and products; Enterprise management consulting; Enterprise marketing planning; Domestic advertising business; Brand promotion