... 1)347x210x210cm(11'5''x7'x7') 2)Twin-wall PC sheet 3)Anodized aluminum, easy to assemble Garden greenhouse structure, aluminium ... or double) sliding door, aluminum alloy framework covered by PC sheet, it is very convenient. 4. Base Strong galvanized steel base ... kinds of materials for choosing, HDG(hot dip galvanizing) sheet and powder HDG sheet). 5. VentilationSliding door and two windows for excellent ...