The Tunnel Roof is a fixed construction, consist of standard straight truss, with link tube connected to be different shape and size, the tunnel shape will gie you impressive effect and load capacity. available in two sizes, 16m stage width with 10 m height, or a 20m stage width with 14 height. The depth of the stage can be varied in 2 or 3 m per sections. There is no limit to the depth of the stage.
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