Concert event show bolt truss with crank tower

Led Screen Size : 4m length x 2.5m height 
2 Lifting tower at left and Right .  Loading Capacity 250kg /stand . 
Towers can be adjustable height 2.1m ~6.1m . 
Middle beam Truss  290*290mm square spigot truss ,  5m long (1m +2m +2m )

Welcome to visit our factory , If you want customized , We are happy to work with you !