it is Aluminum Portable Dj Lighting Truss Stage Platform, total sizes are 12.2x8.54m 40x28ft with 2 stairs.

The outdoor big concert truss system, specifically designed for a 30x15x18m stage, is a crucial element in creating a visually stunning and impactful performance environment. The system's structural design, safety considerations, and versatility offer a range of advantages that enhance the quality and enjoyment of large-scale outdoor concerts.

this is most popular indoor Modular Aluminum Event Truss Systems 
when it is used for outdoor, clients shall have a cover on top for sunshade
while this roof is not rain proof
overall sizes are 10x7x6m, the price here not including the roof cover.

For mid-sized festivals and outdoor corporate events, maximizing stage real estate while providing elite audio coverage is essential. The 9x6x7m Stage Roofing System by DragonStage is a high-performance engineering solution providing 54 square meters of primary covered space. Featuring a commanding 7-meter vertical clearance and dedicated side wings 2m for audio line arrays, this system is optimized for professional technical riders. Built with aerospace-grade aluminum and a precision-engineered ground support system, this stage roof delivers a stadium-style aesthetic with the logistical ease of a portable rig.

roofing truss system sizes are 22x11x7m
Aluminum event exhibition truss refers to a type of structural framework made of aluminum that is commonly used in the event and exhibition industry. It is specifically designed to create versatile and customizable display structures for trade shows, exhibitions, fairs, and other similar events.

Large Concert Stage Truss 24m long, 10m deep, and 8m high. There are 2 wings 3m wide for line array and 2 wings 6m wide for led screen.

this is Aluminum Stage Concert Truss system for Event, the total sizes are 8m long 5m deep and 7m high.

this is a big Aluminum Outdoor Concert Trusses system, the total length is 20m, deep 17m and height 9m.

screw truss system
total Size 18x16m, high 12mts, column 40x40mm, crossbeam 520x760mm.
and with the same material can change into sizes 12x12m, 12x10m, 10x10m