This is Exhibition Aluminum Stage Led Truss 7x6m, it is used for 6x4m outdoor led screen.
The beam truss is global F44D truss, the pillar is F34D truss. 

Aluminum Portable Led Stack Truss Systems Led Screen Support Systems 10x5m
it is suitable for 0.5x0.5m led module

Custom Aluminum Portable Ground Mount Led Stack Truss 8x4m

Aluminum Portable TUV Certified Square Truss System Speaker Truss for LED Screen 9x4m
beam truss 400mm
pillar truss 290mm

Display Hanging Aluminum Stage Ground Support Led Truss 6x3m
we also provide custom flightcase to hold the led truss parts for easy transportation.

Aluminum Alloy Outdoor LED Screen Concert Trade Show Truss Display System 4x4m
Professional spigot square led truss aluminum led screen wall ground support truss for led cabinet

Custom Aluminum Portable Light Truss Pillar for LED 6x5x12m

Portable Video Hanging Aluminum Stage Led Truss for Led Screen 50 X10ft

High Quality Aluminum Portable Led Video Wall Truss Frame System Mount Stands 3x8m

This is a stand for LED screens that can be used to hold up led screen. It is made of aluminum and the dimensions are custom.

Our Indoor Portable Exhibition Aluminum Stage Led Screen Truss Frame System for Exhibition Event 4x12m is perfect for your next exhibition event. This system is lightweight and easy to assemble. It is a 4x12m size, so it is perfect for the average exhibition. The truss frame system is composed of high-quality aluminum which is lightweight and durable. The aluminum also features a powder-coated finish that is scratch resistant. The aluminum material also ensures that this system is resistant to corrosion. This system is also waterproof, so it will not be damaged by the weather. We offer a one-year warranty on this product to ensure your satisfaction.