Design, research and development, manufacturing and sales of robots and intelligent equipment (excluding projects subject to licensing approval); manufacturing of pumps and vacuum equipment; manufacturing of hydraulic and pneumatic power machinery and components; engineering and technology research and experimental development; other technology promotion services; manufacturing of other metal processing machinery; wholesale of other mechanical equipment and electronic products; operating the export business of the company’s self-produced products and the import business of mechanical equipment, spare parts, raw and auxiliary materials required by the company (without separate import and export commodity catalogs), but country restrictions Except for goods and technologies that are operated by designated companies or prohibited from import and export; metal cutting machine tool manufacturing; foundry machinery manufacturing; metal cutting and welding equipment manufacturing; other unspecified retail industries (excluding items that require license approval); motorcycle parts and accessories manufacturing; motorcycle parts retail; auto parts and accessories manufacturing; auto parts retail; hardware product wholesale; hardware retail; building materials wholesale; construction wood and wood component processing; cork products and other wood products manufacturing; valve and cock manufacturing.