Hangzhou DS Electronics Co., Ltd. is a manufacturer of CCTV surveillance systems including power speed domes, mini domes, cameras, matrix systems, CCTV accessories, digital fiber optic converters and digital video recorders. Located in the city of Hangzhou, just 2 hours south of Shanghai, we utilize high technology, exquisite production craftwork and innovative management. Accordingly, we have become one of the best manufacturers and integrators in the world. Moreover, we have been accredited for our strict quality control and international quality standards by passing ISO9001 quality system certification and European CE international authentication. Based on our high quality, innovative solutions and superior service, our products have been installed in thousands of safety and network projects such as airports, banks, prisons, speedways, stations, docks, electric power systems, schools, factories, hotels, marketplaces and police departments. Therefore, we sincerely invite all interested companies to visit our website or contact us directly for more information. We look forward to satisfying your CCTV needs in the near future.