1 Advertising tent 2.economical and durable in use 3.spacious and easy to assemble and disassemble 1. Big Tents for Guangzhou Asian Games.2. Size: 20x15m. 3. Widely used for party, wedding, ceremony, church, exhibition etc.1, Attached photo shows 20x15m big tents that are used for the security check of the 16th Guangzhou Asian Games on November, 2010.2, The clear-span width of BT21 is 20m, the ...