Shanghai Siyi Fans Co., Ltd contribute to study and manufacture energy saving ventilation equipment to improve safety, productivity, and energy consumption. We adopts American advanced techniques of high air volume and low rotating speed to manufacture HVLS industrial fan, which is the most effective ventilation equipment for large space. We only focus on one thing HVLS industrial fan. After repeatedly research and development of the fan, we continuously improve its performance to satisfy our customer's demand. Our aim is to create a more comfortable environment using the least amount of energy and bring the greatest benefit to the customers.

Siyi fans guarantee high quality, reasonable&completive price and fast lead time. All products will have been strictly quality checked before packing, have 2 to 5 years warranty, and we are sure the product will be free from maintenance within warranty period.