Shenzhen Topfan Technology Development Co., Ltd. is a high-tech enterprise, professionally engaged in the R&D and production of brushless DC fans. Our company covers 8000 square meters, with an annual output of 5 million sets of fans. After 10 years of development, we have developed a full range of axial fans with sizes from 20mm to 250mm.Our products are widely used in communication, industrial control, medical, home appliances, consumer electronics, custom power supplies, automobiles and other industries. Our main competitors are Wonsan and ADDA.Furthermore, our products have passed ISO9001, CE, UL, TUV and RoHS certifications.