R&D, production, sales and technology transfer: intelligent equipment, mechanical equipment and accessories, automation equipment and spare parts, general hardware machinery equipment and accessories, hardware accessories, electronic products, electronic accessories, machine tool accessories, assembly lines, testing machines and accessories; R&D and sales: industrial automation control software; mechanical equipment maintenance services; retail industry, wholesale industry; import and export of goods or technology (except for the import and export of goods and technology prohibited by the state or involving administrative approval).