This product is designed under the principle of air and liquid pressurization combining flexible hydraulic cylinder, is a new style and compact pneumatic hydraulic lift equipment, featuring by heavy lifting tonnage, easy operation, high efficiency, application to various fields especially in maintenance of automobile and tractors etc. Key components are imported and refined by special technique. In this way, it has significantly enhanced products' performance and prolonged life. Supported by firm and durable roller with gear lever selection, the equipment to be maintained will be instantly lifted to the desirable position.