Founded in 2012, PERSIAN (Changsha ChenChen Electric Appliance Co., Ltd.) is specialized in the R & D and manufacture of ventilation system. Our main products include ventilation exhaust fan, axial flow industrial fan, air purifier, ventilation component, etc. , exporting to more than 39 countries, covering 6 continents. Our office is located in Changsha City, and the factory is located in Zhejiang, with an area of more than 2,000 square meters, 16 units of high-speed production lines and 5 imported high-tech production equipment. PERSIAN strictly control the production process, ensuring the pre-delivery test quality of each unit. We are committed to providing the best experience for our customers. If you are interested