The large-scale awning is a kind of relatively new temporary building used for outdoor activities. The large-scale awning is widely used in temporary construction, temporary warehouse, workshop, exhibition, commercial promotion, various exhibitions, emergency relief and so on. Large caravans are mostly used in weddings, parties, exhibitions, dinners and even personal gardens abroad. Caravan is still a relatively new concept in China. In recent years, more and more people have chosen to hold outdoor activities, so the caravan has gradually appeared in our vision. The caravan is mainly composed of frame and tarpaulin. The prefabricated construction makes the caravan have certain advantages. First of all, the large-scale caravan is flexible and convenient, easy to install and dismantle, and the site selection is relatively free, which can be built in different environments and requirements. Secondly, the stable, safe and high-quality aluminum alloy supports and high-quality tarpaulins ensure the safety of the shelter; then, the large-scale shelter can be customized. According to different needs, the tarpaulin color, support curve, size, advertising and printing, and corresponding supporting facilities (hard wall, glass wall, top curtain, side curtain, floor, furniture, lighting, air conditioning, etc.) can be widely used Pan commercial exhibition and sales, festival activities, catering and entertainment, logistics and storage, wedding ceremony, convenient municipal and other outdoor temporary activities can be used; finally, the cost performance of large-scale caravan is relatively high, whether it is leasing or purchasing is a better choice!