Private company
21CN
21CN is a Chinese website company, part of China Telecommunications Corporation.1
視聯中國，前身是21CN，为中国电信全资子公司，于1999年2月8日正式开通，当年跃居CNNIC的前十名，是中国最早的门户网站及互联网服务提供商之一，曾位列中国门户网站的第四位，2009年是华南地区最大的门户网站。2013年3月15日，21CN推出消費者投訴平台聚投訴。2 From the Chinese Wikipedia, CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- Websitewww.21cn.com
Corporate structure
21CN is part of a group headed by State-owned Assets Supervision and Administration Commission of the State Council. 276 entities, 20 countries on record. Switch between the flow chart and the network, and select any entity to see its details.
- State-owned Assets Supervision and Administration Commission of the State Council Beijing
- China Telecommunications Corporation Xicheng District
- 21CN
- China Communications Services Corporation Subsidiary · Hong Kong, Hong Kong
- China Telecom Subsidiary · Beijing, China
- China Telecom (Macau) Subsidiary · Macau, People's Republic of China
- China Telecom Quantum Group Subsidiary · China
- China Railway Engineering Corporation Subsidiary · 100% · Beijing
- China Railway Group Limited Subsidiary · 54% · Peking, China
- China Railway No.2 Engineering Group Co., Ltd. Subsidiary · 100% · Chengdu
- 2 more
- China Railway (Shanghai) Investment Group Co., Ltd. Subsidiary
- China Railway Academy Co., Ltd. Subsidiary
- China Railway Beijing Engineering Group Co., Ltd. Subsidiary
- China Railway City Development and Investment Group Co., Ltd. Subsidiary
- China Railway Communications Investment Group Co., Ltd. Subsidiary
- China Railway Construction Engineering Group Subsidiary
- China Railway Development Investment Group Co., Ltd. Subsidiary
- China Railway Electrification Engineering Group Co., Ltd. Subsidiary · Beijing, People's Republic of China
- China Railway Engineering Design and Consulting Group Co., Ltd. Subsidiary
- China Railway Eryuan Engineering Group Co. Subsidiary
- China Railway Finance Company, Ltd. Subsidiary
- China Railway First Group Co., Ltd. Subsidiary · Xi'an, People's Republic of China
- China Railway Guangzhou Engineering Group Co., Ltd. Subsidiary · Guangzhou, People's Republic of China
- 1 more
- China Railway Huatie Engineering Design Group Co., Ltd. Subsidiary
- China Railway International Group Subsidiary · Beijing, People's Republic of China
- China Railway Liuyuan Group Co., Ltd. Subsidiary
- China Railway Major Bridge Engineering Group Co., Ltd. Subsidiary · Wuhan, People's Republic of China
- China Railway Major Bridge Reconnaissance & Design Institute Co., Ltd. Subsidiary · Wuhan, People's Republic of China
- China Railway Material Trade Group Co., Ltd. Subsidiary
- China Railway No.8 Engineering Group Co., Ltd. Subsidiary
- China Railway Resources Group Co., Ltd. Subsidiary
- China Railway Seventh Group Co., Ltd. Subsidiary · Zhengzhou
- China Railway Sixth Group Co., Ltd. Subsidiary · Beijing, People's Republic of China
- China Railway Tunnel Group Co., Ltd. Subsidiary · 洛阳市, China
- and 8 more
- China Railway No.2 Engineering Group Co., Ltd. Subsidiary · 100% · Chengdu
- China Railway No.10 Engineering Group Co., Ltd. Subsidiary · Jinan, People's Republic of China
- China Railway Number 10 (Thailand) Ltd. Subsidiary
- China Railway No.3 Engineering Group Co., Ltd. Subsidiary
- China Railway No.4 Engineering Group Co., Ltd. Subsidiary
- China Railway No.5 Engineering Group Co., Ltd. Subsidiary · Guiyang
- China Railway No.9 Group Co., Ltd. Subsidiary
- China Railway Group Limited Subsidiary · 54% · Peking, China
- China Unicom Subsidiary · 98.45% · Beijing, China
- China Southern Power Grid Subsidiary · 51% · 广州市, China
- Pluz Energía Perú Subsidiary
- Aero Engine Corporation of China Subsidiary · Haidian District
- Dongan Engine Manufacturing Company Subsidiary · Harbin
- Shenyang Engine Factory Subsidiary · Shenyang, People's Republic of China
- Xi'an Aero Engine Corporation Subsidiary · Shaanxi
- Chengdu Aero Engine Factory Subsidiary · China
- China National South Aeroengine Company Subsidiary · China
- Guizhou Aero Engine Factory Subsidiary · China
- Shenyang Aeroengine Research Institute Subsidiary · China
- Aviation Industry Corporation of China, Ltd. Subsidiary · Chaoyang District
- AVIC I Subsidiary
- ACAC consortium Subsidiary · Shanghai
- Chengdu Aircraft Industry Group Subsidiary · Chengdu
- Guizhou Aircraft Industry Corporation Subsidiary · Shenyang
- Shanghai Aircraft Manufacturing Company Subsidiary · Shanghai
- Xi'an Aircraft Industrial Corporation Subsidiary · Xi'an
- AVIC Manufacturing Technology Institute Subsidiary · Beijing
- Changhe Aircraft Industries Corporation Subsidiary · Jingdezhen
- China Aviation Industry Corporation II Subsidiary
- Comac Subsidiary · Shanghai
- Continental Motors Subsidiary · Mobile
- Harbin Aircraft Manufacturing Corporation Subsidiary · Harbin
- Hongdu Subsidiary · Nanchang
- Shaanxi Aircraft Corporation Subsidiary · Hanzhong
- Shenyang Aircraft Corporation Subsidiary · Shenyang
- AVIC International Subsidiary
- Research Institute for Special Structures of Aeronautical Composite Subsidiary · Jinan, China
- AVIC I Subsidiary
- China Aerospace Science and Industry Corporation Limited Subsidiary · Beijing
- ExPace Subsidiary · Wuhan
- Nanjing Chenguang Group Subsidiary · Qinhuai District, People's Republic of China
- China Aerospace Science and Technology Corporation Subsidiary · Haidian District
- Academy of Aerospace Liquid Propulsion Technology Subsidiary · Chang'an District
- Academy of Aerospace Solid Propulsion Technology Subsidiary · Xi'an
- China Academy of Launch Vehicle Technology Subsidiary · Fengtai District
- China Long March Rocket Co., Ltd. Subsidiary
- China Academy of Space Technology Subsidiary · Beijing
- Institute of Automation, Chinese Academy of Sciences Subsidiary · Beijing, China
- China Aerospace International Holdings Limited Subsidiary · Hung Hom
- China Chang Jiang Energy Corporation Subsidiary · Wuhan, People's Republic of China
- China Great Wall Industry Corporation Subsidiary · 西城区, China
- China Siwei Subsidiary
- Beijing Institute of Remote Sensing Equipment Subsidiary · Beijing, China
- China Academy of Aerospace Aerodynamics Subsidiary · Beijing, China
- Shanghai Academy of Spaceflight Technology Subsidiary · Shanghai, China
- China Baowu Steel Group Subsidiary · 浦东新区, China
- Wuhan Iron and Steel Corporation Subsidiary · 100% · Wuhan
- Magang (Group) Holding Company Limited Subsidiary · 51% · Ma'anshan
- Maanshan Iron & Steel Company Limited Subsidiary · Maanshan, China
- Masteel Rolling Stock Co Ltd Subsidiary · France
- Baoshan Iron & Steel Subsidiary · Shanghai
- Wuhan Iron and Steel (joint-stock) Subsidiary · 100% · Wuhan
- Meishan Iron and Steel Subsidiary · 77.04%
- 宝钢香港投资有限公司 Subsidiary · 香港, Hong Kong
- China Datang Corporation Ltd. Subsidiary · 西城区, China
- Datang International Power Generation Co., Ltd. Subsidiary · Beijing, China
- 中国大唐海外（香港）有限公司 Subsidiary · 香港, Hong Kong
- China Electronics Corporation Subsidiary · Nanshan District
- China Electronics Technology Group Corporation Subsidiary · Beijing
- Potevio Subsidiary
- The 14th Research Institute of China Electronics Technology Group Corporation Subsidiary · Yuhuatai District, China
- The 22nd Research Institute of China Electronics Technology Group Corporation Subsidiary · Qingdao, China
- The 30th Research Institute of China Electronics Technology Group Corporation Subsidiary · Chengdu, China
- The 32nd Research Institute of China Electronics Technology Group Corporation Subsidiary · Shanghai, China
- China Energy Engineering Subsidiary · Beijing
- China General Nuclear Power Group Subsidiary · Shenzhen
- China Guangdong Nuclear Windpower Co Ltd Subsidiary · China
- China Huadian Corporation Ltd. Subsidiary · Xicheng District
- China Huaneng Group Co., Ltd. Subsidiary · 海淀区, China
- Huaneng Lancang River Hydropower Subsidiary · Kunming
- Huaneng Power International Subsidiary · Peking, China
- Tuas Power Ltd Subsidiary · 100% · Singapore
- Huaneng Renewables Subsidiary · Beijing, China
- North United Power Corporation Subsidiary · Hohhot, People's Republic of China
- China Huaneng Gansu Energy Development Co. Subsidiary · China
- Huaneng International Power Development Corporation Subsidiary · China
- Huaneng Yingcheng Thermal Power Co Ltd Subsidiary · China
- Xi'an Thermal Power Research Institute Co., Ltd. Subsidiary · China
- China Information and Communication Technology Group Co., Ltd. Subsidiary · Jiangxia District, People's Republic of China
- CICT Connected and Intelligent Technologies Co. Subsidiary · Beijing, People's Republic of China
- Datang Telecom Group Subsidiary · Beijing
- Datang Telecom Technology Subsidiary · Beijing
- 1 more
- Datang Telecom Technology Subsidiary · Beijing
- Wuhan Research Institute of Posts and Telecommunications Co.,Ltd. Subsidiary · Wuhan, China
- China Mobile Subsidiary · Hong Kong, Hong Kong
- China Mobile Hong Kong Subsidiary · Hong Kong
- China Mobile Tietong Subsidiary · Beijing
- Dahua Technology Subsidiary · 杭州
- Dahua Technology Italy SRL Subsidiary · Cinisello Balsamo, Italy
- Dahua Technology USA Subsidiary · Irvine, United States
- ZONG Subsidiary · Islamabad
- China Mobile Group Guangdong Company Limited Subsidiary · China
- Migu Subsidiary · China
- Migu Culture Technology Co.,Ltd. Subsidiary · China
- zhong guo yi dong xiang gang cai zi you xian gong si (中国移动香港财资有限公司) Subsidiary · 香港, Hong Kong
- China National Coal Group Subsidiary · 朝阳区, China
- China Coal Energy Subsidiary · Beijing, China
- Taiyuan Coal Gasification Group Subsidiary · Taiyuan
- China Coal Xinji Fuyang Mining Co., Ltd. Subsidiary · Xinji, China
- China Coal Energy Subsidiary · Beijing, China
- China National Heavy Duty Truck Group Subsidiary · Shunhualu Subdistrict
- Sinotruk (Hong Kong) Limited Subsidiary · Hong Kong, Hong Kong
- Sinotruk Jinan Truck Co., Ltd. Subsidiary · 63.78% · Jinan
- Sinotruk (Hong Kong) Limited Subsidiary · Hong Kong, Hong Kong
- China National Nuclear Corporation Subsidiary · Beijing
- China Nuclear International Uranium Corporation Subsidiary
- Nuctech Subsidiary · Beijing
- Tsinghua Tongfang Company Subsidiary · 海淀区, China
- Tongfang Development Limited Subsidiary · 香港, China
- China National Offshore Oil Corporation Subsidiary · 东城区, China
- CNOOC Limited Subsidiary · Central and Western District, Hong Kong
- CNOOC Finance (2003) Limited Subsidiary · Road Town, British Virgin Islands
- CNOOC Finance (2013) Limited Subsidiary · Road Town, British Virgin Islands
- NEXEN PETROLEUM NIGERIA LIMITED Subsidiary · Victoria Island, Nigeria
- 中海石油化工进出口有限公司 Subsidiary · 东城区, China
- CNOOC Limited Subsidiary · Central and Western District, Hong Kong
- China National Petroleum Corporation Subsidiary · 西城区, China
- CNPC Aktobemunaigaz Subsidiary · Aktobe
- Daqing Oilfield Company Subsidiary
- Kunlun Energy Subsidiary · Hamilton
- PetroChina Company Limited Subsidiary · Beijing, China
- PetroChina International (London) Company London, United Kingdom
- 1 more
- PetroChina Changqing Oilfield Company Subsidiary · Xi'an, People's Republic of China
- Singapore Petroleum Company Subsidiary · Singapore, Singapore
- PetroChina International (Netherlands) Company B.V. Subsidiary · 100% · Rotterdam, Netherlands
- PETROCHINA INTERNATIONAL (AMERICA), INC. Subsidiary · Jersey City, New Jersey, United States
- 1 more
- PetroChina International (London) Company London, United Kingdom
- CHINA NATIONAL UNITED OIL CORPORATION Subsidiary · Beijing, China
- CNPC Global Capital Limited Subsidiary · 北京, China
- Research Institute of Petroleum Exploration and Development Subsidiary · Beijing, China
- Seepage Fluid Mechanics Institute Subsidiary · China
- China National Salt Industry Group Subsidiary · Beijing
- China North Industries Group Corporation Limited Subsidiary · Beijing
- Inner-Mongolia First Machine Group Company Limited Subsidiary · Baotou
- Kiekert Subsidiary · Heiligenhaus, Germany
- Kiekert-CS 100% · Přelouč, Czechia
- Lingyun Industrial Corporation Subsidiary · Zhuozhou, People's Republic of China
- Norinco Company Subsidiary · Beijing, People's Republic of China
- Beifang vehicles Subsidiary
- and 24 more
- China Telecommunications Corporation Xicheng District
Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
Subsidiaries and ownership
Parent company
From Wikidata.1
Links
- Websitewww.21cn.com1
- WikidataQ10845994
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1Wikidata21CN on Wikidata
- 2Wikipedia21CN on the Chinese Wikipedia