In actual performing arts activities, trusses usually refer to steel frames with specifications of 200mmX200mm, and truss frames: light frames usually refer to aluminum alloy frames with sizes of 300mmX300mm, 400mmX400mm, 450mmX450mm, 450mmX760mm;
Truss uses: structural equipment supporting a certain material (such as hanging pictures, hanging lights, hanging flowers, etc.). );
Trusses are mainly divided into steel trusses (circular steel trusses and square steel trusses) and aluminum alloy trusses according to material structure;
Trusses are mainly divided into 200X200 truss, 300X300 truss, 400X400 truss, 450X450 truss, 450X760 truss and so on.