1. we have more than 11 years expereince 2. good quality and perfect design 3.great loading and span

1.SQB5276 square bolt truss520*760mm,connected by screw/bolt.

2.use aluminum 6082 T6 dia.50*3 as main tube,dia.50*3 as standpipe,dia.30*2 as brace tube, suitable for heavy system, mega concert or project.

3.This kind is heavy-duty of screw truss for event and exhibition safes pan we proposal can reach 24m, and loading would be 841KG for one side beam when largest span.

4.there are both aluminum quadrate tube and aluminum board as joint, but their functions are the same, they all implement the connecting among aluminum trusses. We mount with 8.8 degree's bolts of high intensity with 55mm thicker gasket.

heavy duty speaker truss system