1.Layer truss consist of pillar ,horizontal pipe,diagonal pipe,adjustable base,joint pipe.

2.Its construction is simple,easy to use, credibility and economy cost .

3.Surface process:hot zinc galvanization or cold zinc galvanization.

4.It usually used in big outdoor shows and events.  stadiums, theatres, exhibition hall,  stadium grandstand awning,  two-way rain big column grid frame structure workshop, and other buildings from the roof.

Layer truss is also called combined truss and consists of the horizontal pole, the vertical pole, the diagonal pipe and the adjustable base. It's very convenient and flexible to assemble .It is widely used for hanging audio device ,face lightings,side lightings and huge adverrisment.

Photos and pictures for reference:

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