1, Telecom
Telecommunications refers to the use of electronic technology to transmit information between different places. Telecommunications includes different kinds of long-distance communication methods, such as radio, telegraph, television, telephone, data communication and computer network communication.
2. Unicom (Netcom)
Unicom is a central enterprise, mainly engaged in fixed communication services, mobile communication services, domestic and international communication facilities services, data communication services, network access services, various telecom value-added services, and system integration services related to communication information services. For business consultation, please call the customer service hotline 100 10.
3. Mobile (China Railcom)
As the network technology research base and business product development center of China Mobile Communications Corporation, Mobile Communications Research Institute has been devoted to researching the forward-looking technology and business of the Corporation for many years.
4. Oriental cable (cable connection)
Shanghai Oriental Cable Company operates the world's largest CATV metropolitan area network. Shanghai CATV network resources have the advantages of bandwidth, user resources, optical fiber resources and scale operation, with 10 years of network operation experience and a high-quality staff.
5. Great Wall Broadband
Great Wall Broadband was renamed from Netju E (Netju E once used the name Telecom, and was later seized by Telecom). It rented Unicom's optical fiber (just check its DNS) and then * * * enjoyed surfing the Internet, belonging to the secondary agent.