T grid wall angle 1 paint keel ----wall angle shape: L style Thickness: 0.30 - 0.8m lenght:2000-4000mm specifications: 1 20*20*3000 2 22*22*3000 3 25*25*3000 4 14*20*3000 5 19*22*3000 2 light steel----wall angle shape: L style Thickness: 0.30 - 0.45m lenght:2000-4000mm specifications: 1 23*23*3000 2 25*25*3000 3 30*30*3000 4 32*32*3000 shape: U style Thickness: 0.30 - 0.45m lenght:2000-4000mm specifications: 1 20*20*30*3000 2 14*13*25*3000 3 29*28*20*3000