http://www.chinamobile.com/en/

Officially established in 2000, has been playing a leading role in the development of the mobile communications industry in China and holds an important position in the international arena as well. In terms of its market value, China Mobile Limited is the largest among all the overseas listed Chinese companies and among all the telecom carriers in Asia. It operates not only basic mobile voice services but also value-added services such as data,IP telephone and multimedia. It has the right to operate Internet services and the international gateways, etc.. It has established a comprehensive network with large coverage, high quality, rich variety of businesses and first-class customer services, also provided GSM roaming services with over 271 operators in 206 countries and regions and GPRS roaning services with 93 operators in 101 countries and regions in the world. It ranks the first in the world in terms of the network scale and the customer base.By the end of 2005,100% of the counties(cites)had been covered by network with seamless coverage on the backbone lines and indoor coverage in key urban areas.The total number of customers had esceeded 240 million...

http://en.chinatelecom.com.cn/

An extra-large State-owned telecom operator in China, has been among the Top 500 Global Corporations for many years, mainly provides the integrated information services including the fixed-line telephone, mobile service, Internet connection and applications services. It has subsidiary companies in 31 provincial (municipal and autonomous regions) and branches in the Americas, Europe, Hong Kong and Marco, covering the whole country of China and reaching every corner of the world and it is capable of providing all telecom services and multiple convergent services and sales channels, with the network reaching every corner of the world and many branded products such as “BizNavigator”, “My e Home”,“Tianyi”,“Best Tone”and“ChinaVNET", etc. It provided specific informatization solutions to more than 20 industries and the large number of the enterprises. The service areas covers from the basic telecom services to the system integration, network security, video conference, video monitoring, data center housing, call centre, network maintenance outsourcing, network management, emergency duplication, integrated information consultations, etc. ..

http://www.chinatietong.com/english/index.htm

Founded in 2000, a major state-owned basic telecommunications operator, has established 31 provincial braches, 316 municipal branches and five holding subsidiaries. In addition to varied value-added services, it also offers basic telecom services to the public, including: domestic/international voice, data, image and multimedia communications, and domestic communications resource leasing service. It has trained its people and enriched its experience, and obtained the strength to provide high quality services particularly to cross-regional and cross-industrial clients...

http://eng.chinaunicom.com/

Officially established in January 2009 on the basis of the merger of former China Netcom and former China Unicom, has subsidiaries in 31 provinces across China and many countries and regions around the world, the only Chinese telecom operator listed on the stock exchanges in New York, Hong Kong and Shanghai. It mainly operates fixed and mobile communications service, domestic and international communications facilities, satellite IPLC service, data communications service, network access service, value-added telecom services and system integration service related to information and communications services, etc.. The company has been among the Top 500 in the world in terms of its revenue, and ranked in the top of the world leading telecom operators in terms of its customer base and market capitalization of its listed company. ..