Shenzhen Shengshida Electronics Co.,Ltd.(SHENGSHIDA /SENSDAR ) builds on decades of experience in R & D,manufacturing and sales of cooling fans. Our product lines include DC cooling fan, AC cooling fan, new energy-saving variable frequency AC fans, blowers, fan guards and filters. For many years,Shengshida has been specialized in providing comprehensive cooling solutions for a variety of household and industrial products.We have won a world-wide recognition in the industry of power supply, IT equipment, servos, cabinets, home electronics, automotive electronics and so on. Welcome t become one of our fans.