Suzhou LangJia Machinery Co., Ltd.( PHT Manufacture Inc.)

http://indomonster.com/pneumatic-mast

We are manufacture Pneumatic Telescopic Masts and Mobile Light Tower System professional.
PHT Pneumatic Telescopic Masts are constructed of high-strength, heat-treated aluminum tubes and collars for long, dependable life.Two full length external keys on mast sections, with matching machined keyways on , mantaining directional azimuth.Each tube and collar is protected by low friction synthetic bearings for smooth opration and long life.The bumpers are designed to reduce shock on extension and retraction.All exterior aluminum tubes surfaces are anodized and sealed for long life. Fasteners are high strength aluminum material for corrosion resistance.
PHT Pneumatic Telescopic Masts are widely used in Military or Civil Projects, such as Security Surveillance, Antenna, Lighting, Ham-Radio, Aerial Photography, Meteorologicals, Industrial Projects and so on.....

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