ZHAOQING SHENG HUI ELECTRONIC TECHNOLOGY CO., LTD.(ZHAOQING CHEN HUI ELECTRIC CO., LTD.), established in 2006, is a high-tech manufacturing company which professionally develops, produces and sales cooling fans. Our main products are DC fan, AC fan, EC fan, axial fan and centrifugal fan which are widely used in telecommunication, power units, inverter, medical devices, LED lights, home appliances, automotive electronic products, air purifiers, action intelligent devices, and so on. We can produce functional fans with locked current protection signal, RD signal, FG signal, temperature control and PWM ect. according to customer's needs. Our company has passed ISO9001:2008 and TS16949 quality system certification along with German (TUV, VDE), USA (UL), Canada (CUL, CSA), European Unions (CE), PSC and NSF safety verification for all our products. We have independent chemical and product testing laboratory. During the past 10 years, SHENG HUI has obtained more than 30 national patents with annual output of 24,000,000 units. We have our own offices and distributor systems in north and east of China and we are "PHILIPS" global designated cooling fan supplier as well as designated partners with TCL, Changhong, Changcheng and Midea. SHENG HUI adheres to business Philosophy, "Honest, High-efficient, High-quality, Innovative". Sincerely SHENG HUI will serve you.