Introduction of   Waterproof 20 x 50 Canopy Tent for Exhibitions Events The clear span of the Big Tent-BTA series is from 10m to 25m and the main profile size is 204x110x4mm. This type of tent series are modular structures and can be increased or decreased in bay distance of 5m according to the clients’ requirements. The main frameworks (upright support and roof beam) are manufactured with high impact extruded anodized aluminum (6061/T6). The PVC covers use PVC-coated polyester textile and flame retardance which is based on the European standard DIN 4102B1, M2. The tent can resist up to 100...