... Standard accessoryMaster beam2-M300 steel, T=3.0mm, Material: Q345, galvanized 7Column2-M300 steel, T=3.0mm, Material: Q345, galvanized8Roof ... PurlineC-170 steel, T=2.3mm, Material:Q235, galvanized ... 9Wall PurlineC-170 steel, T=2.3mm, Material:Q235, galvanized10Compressed partDecorate and connect ...