Non-locking telescopic mast/peumatic telescoping m

This pneumatic telescopic mast is specially designed by our company .it is a large telescopic mast driven by air .the mast is made of anodized aluminium alloy,the out-diameter of mast is 229mm,the storage height is 3.10m,the total length is 15m,and we can design and manufacture the mast rang 2m to 30m according to the client’s need.With the innovation of technology, this product has reached advanced world levels and is in the front state in Chinese market. They are widely used in golf course lighting, emergency lighting ,communication command, communication safeguard and TV satellite transmission and so on.welcome to buy one sample , we can promise the good quality for this mast