Business scope General business project design, Nano microporous insulation products, research and development of hydraulic electronic control equipment, forging equipment, casting equipment, non-standard equipment, industrial automation equipment (special equipment is not included in the above range) hydraulic technology consulting, technical services; Wholesale hydraulic components, electrical equipment and accessories, Electrical equipment, electromechanical equipment (except for passenger cars with nine seats or less) and accessories; Import and export of goods, import and export of technology. (If the above scope requires a license to operate, it must be operated with a license).