For 30mm frameless dc fan, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our 30mm frameless dc fan has been well received by many customers and enjoyed a good reputation in many countries. Xingdong Electronics 30mm frameless dc fan have characteristic design & practical performance & competitive price, for more information on the 30mm frameless dc fan, please feel free to contact us.