Material: electro galvanized. Packing :paper carton + metal box Delivery:15 days Payment terms:T/T Dimension: Length:(1005 or 1998) 8X30X1005 11X30X1005 11X30X1998 12X30X1005 12X30X1998 20X20X1005 20X20X1998 20X20X1998 20X20X1998 22X22X1005 22X22X1998 22X22X1998 22X22X1998 M6, 30X30X1005 M6, 30X30X1005 M6, 30X30X1998