Big Tent : 1.Top Style:Ridge Tent 2.Strong aluminum frame 3.PVC: waterproof,fireproof ,UV 4.Factory price , quality Big Tent : 1. SPECIFICATION1) Span width: any size between 3m and 40m2) Length: no limite, extended by +3m/ +5m, such as 15m,18m,21m,24m…/ 20m, 25m, 30m ,40m…3) Bay distance: 3m/5m4) Eave height: 2.5m/4m2. FRAME PART1) The main parts are made of aluminum alloy and the spare parts ...