China Tietong Telecommunications and its subsidiaries provides fixed-line telephone services in China via 30 provincial branches and about 300 municipal branches. A leading fixed line operator in the country, China Tietong was established in 2000 as China Railway Communication; it restructured its core business in 2004 to center around telecommunications services. In addition to standard wired phone services, the company offers computer telephony service, Internet data transmission, wireless paging, and wireless data transmission services. The company is a subsidiary of China Mobile Communications.