Our company,Shenzhen Dowin Lightning Technologies Co., Ltd, design and manufacture lightning protection devices:

SPD for power system
SPD for data line
SPD for antennas

Although our company has only six years experience in this field, but we are growing very fast because of our high quality products and excellent service. Now we are one of the largest surge-protection-device(SPD) company in R&D,manufacuring,engineering and testing in China. Our customers include Huawei, Emerson, China Telcom, China Mobile, China Unicom, ZTE, UTStarcom, and Ericsson.

Our comapny has passed ISO9001:2000 standard, most of our products have CE certificate and are RoSH compliant. We are applying for UL certificate for our products now. For more information about our company and products, please visit our website www.szdowin.com.