①The posts are made of galvanized square tubing with a zinc coating of 275g. They are spaced three meters apart.

②The beams used are “几”-shaped beams, with square tubing connecting the upper and lower beams in the middle.

③The ceiling panels are made of corrugated steel sheets, 0.4 mm thick, with a layer of glass wool on top for thermal insulation.

④The roof panels are made of corrugated steel sheets, 0.4 mm thick.

⑤The walls are constructed with two layers of corrugated steel sheets, with fiberglass insulation sandwiched in between. Alternatively, sandwich panels can be used for the walls, but this will be more expensive.