Lift Aluminum Wedding Line Array Truss in the picture is a full set of lift tower system parts for gentry truss or truss lifting tower to hang line array.
Hanger Aluminum Outdoor Line Array Truss in the picture is a typical goal post truss system specially installed for hang line array large sound system.
Lift Aluminum Outdoor Line Array Truss in the picture is a gentry truss attached to the stage truss system, two parts share one column, and they use hoists to lift.