Pressurized cylinder is also called gas-liquid pressurized cylinder Pressure cylinder is combined with the advantages of the cylinder and the cylinder and improving design, hydraulic oil and strict isolation, compressed air in cylinder piston rod contacts after the work piece automatic start, movement speed, stability, and a pneumatic transmission block device is simple, the output adjustment easy, can achieve higher force of hydraulic press in the same conditions, low energy consumption, a soft landing is not damage mold, easy to install and install special pressure cylinder can be 360 degrees in any Angle, the occupied space is small, low malfunction of the temperature rise, long life, low noise, and other core features.