Aluminum Truss used for handing lighting and speakers for exhibition and performance,also can be stage truss FOB: USD44 Usage ... coupleShape square,triangle, layer,circle…Such stage can be used in exhibition,performance,advertisemt, outdoor celebration,flow performance…If you have ... ,Commercial Falilities,Interior Sketch LED Lighting Truss,Lighting Truss, Exhibition Truss,Performance Truss,Stage Truss