NiteRay Electronic Co. Limited is a company established since 2003 and located in Shenzhen, specialize in Digital Door Viewer, Business Telephone, Switching Adapter research and production. In order to pursue the best quality, offer customers' satisfaction and standardize each department of company, we achieved ISO 9001-2000 International Quality System Certification. The company based on service first, survive on high quality, seek development with good reputation. . .