Coreat truss is welded by Aluminum 6082-T6 which is international standard top-quality flight material and the workmanship can reach international standard welding .Has passed load test and can make sure the quality and safety load in hanging.It is light ,rotproofness,durability and connector is easy to set up and dismantle.In order to reduce workforce and materials during making and installation procedure we use conical fast spigot connection on condition that satisfy the requirements in use.As the structure is  fashionable and beautiful and the whole function is in good condition,it is widely used for lighting and speaker hanging in small running performance ,gymnasium,exhibition hall,opera house etc.Other irregular shapes and surface color can be ordered according to the customers' requirement.