17/05/2026
290*290mm , 400*400mm ,400*600mm ,520*760mm spigot truss and bolt truss
stage :1.22*1.22m , 1*2m , 1.22*2.44m
ruber cables :1 channel , 2 channels , 3 channels , 4 channels ,5 channels
barriers :2*1m, 2*1.2m