Pneumatic telescopic mast has the characteristics of light-weight, low collect-height, heavy load, being suitable for all-weather using and strong corrosion resistance and etc.. It has heavy load and simple structure and it is convenient for operation. Range of application: the product can be used on ground, vehicle-mounted telescopic mast system equipment and shipboard. Antenna, ptz, lighting lamp, camera, communication equipment, and meteorological instrument and so on can be mounted on the top of telescopic mast. It is widely used in public security, fire-fighting, communication, weather, municipal construction, various natural disasters and emergency spot rescue at night and many other areas. It can be mounted on various vehicle models like satellite news gathering, outside broadcast van, public security command vehicle, emergency communication vehicle and other special vehicles. Besides, it can be used as illumination carrier in sport fields. Its maximum extended height is 30m and maximum load is 500kg. Standard lot size