Pneumatic Jack, called pneumatic Jack, is usually composed of three layers, two layers or single layer airbags. The main working principle is to inflate the car by using 5-8KG pressure air compressor. Pneumatic hydraulic Jack is a new type of lifting equipment, which uses compressed gas as power, liquid pressurization and telescopic hydraulic cylinder. It has the advantages of ingenious design, small volume, light weight, easy operation, time-saving and labor-saving, and has the advantages of simple design, small size, light weight, easy operation, time-saving and labor-saving. Lifting large tonnage characteristics, widely used in mobile lifting, especially for automobile, tractor and other transportation repair industries.