LED TRUSS SCREEN SYSTEM 1OEM factory led truss screen system 2.1.2 ton capacity with aluminum stand 3. ... SYSTEMPerformance stage, outdoor and indoor concert, exhibit and display, movable performance stage, trade show, sales promotion , model ladder platform, , lectern, ... the base facility, and excellent designer to perfect the truss system.4).OEM, reasonable price , best after-sale serviceWe welcome ...