Aluminum stage truss alwasy used for mobile event structure. Because it is easy assembling and light.

For some events, such as, exhibition, outdoor show, indoor lighting support and so on, the truss can be set up a aluminum structure and hanging lighting, sound and others equipment display.
According to structure span, there are many different size of truss do it. Longer span will need the bigger size. At most, the span is 10 ~ 16 meters so that 300mm and 400mm truss are used at most time.
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