... alloy,16Degree hardness 3.stage truss factory stage truss system for sale Stage truss specifications: Truss MaterialAluminum 6082/T6 ... MAX loading1100kgApplicationsConcert, Outdoor and indoor performance and shows, Exhibitions,etcSize available for this aluminium:500*500mm,450*450mm,400 ... around, store and transport.3. High quality-strong loading capability, all our products are with 3 years guarantee4 ...