stage covers tent 1. Clear span Aluminium Tent. 2. Doors, windows and glass walls 3. Widely used for wedding, party, ceremon stage covers tent 1, The clear-span of BT20 is 20m.2, The length of BT20 could be 20m, 25m, 30m and +5m more.3, Frame uses hard pressed extruded aluminium 6061/T6(13HW).4, The fabric is double PVC-coated polyester textile. It is high quality at waterproof, flame retardant ...