There are many sizes of aluminum alloy trusses, including small trusses and large trusses, depending on your usage scenarios. Generally, small trusses 200*200 and 250*250 can be used for booth trusses, advertising trusses and so on. Other medium-sized aluminum alloy trusses with sizes of 300*300, 350*350, 400*400 and 450*450 are suitable for stage lighting frames. Large aluminum alloy trusses 400*600, 520*760, 600* 1000, etc. Suitable for large aluminum alloy stage lighting frame, gantry frame, tent frame, etc. Other medium-sized aluminum alloy trusses with sizes of 300*300, 350*350, 400*400 and 450*450 are suitable for stage lighting frames.