Truss could be used in many situation, such as wedding party, concert and chorus events. It could be assembled into serious different form for customers’ needs. Usually it would be used for fixing lights. In some other occasions, Truss could be assembled conveniently into a roof after covering something. There are two different style truss, one is bolt truss and another one is spigot truss. For setting up the first one, people should using some tools to fix truss by bolts. However, they could conveniently assemble spigot truss by less tools. No need to say, it would save plenty of time. Because of the truss are made of aluminum, it would be lighter than it looks. However, it is still firm enough for support the things on it.