Hello, trusses are trusses, but we usually rent them. Generally speaking, trusses mainly refer to aluminum alloy trusses or aluminum alloy lighting trusses, which are different from ordinary trusses with a standard size of 200*200cm. At present, there are fewer grid structures in Chengdu, but in some places, they are basically stopped now. Mainly refers to the aluminum alloy truss. Some places are also called space trusses.