1. Three major operators

Telecom operators refer to communication service companies that provide fixed telephones, mobile phones and Internet access. The major telecom operators in China are China Telecom, China Mobile, China Unicom and China Radio and Television. And China Mobile Communications Corporation is the largest mobile operator in the world. On March 7, 216, China Radio and Television Network Co., Ltd. submitted the application materials for the basic telecommunications business license to the Ministry of Industry and Information Technology, and applied to operate the domestic data transmission business of the Internet and the domestic communication facilities service business nationwide.

2. State Grid

Established on December 29, 22, State Grid Co., Ltd. is a wholly state-owned company directly managed by the central government and a super-large key state-owned enterprise related to the lifeline of the national economy and national energy security. The core business of the company is to invest in the construction and operation of power grid, and undertake the basic mission of ensuring safe, economical, clean and sustainable power supply.

3. China Southern Power Grid

was formally established and put into operation on December 29th, 22. The company's power supply areas are Guangdong, Guangxi, Yunnan, Guizhou and Hainan, and it is responsible for investing, constructing and managing the southern regional power grid, operating related power transmission and distribution business, and participating in investment, construction and operation related cross-regional power transmission and networking projects; Engaged in power purchase and sale business, responsible for power trading and dispatching; Engaged in domestic and foreign investment and financing business; Independently carry out foreign trade circulation management, international cooperation, foreign project contracting and foreign labor service cooperation.

4. China Tobacco

China Tobacco Corporation, established in January 1982, is mainly responsible for centralized and unified management of the production, supply, sales, import and export business and foreign economic and technological cooperation of its affiliated enterprises in accordance with national laws and relevant regulations, decrees, principles and policies of the State Council. On July 17th, 212, chinese association on tobacco control sent a letter to china green foundation, proposing to cancel the "211 Eco-China Contribution Award" of China Tobacco Corporation.

5. China Post

The full name of China Post is China Post Group Company, which is a wholly state-owned company under the central management, which is now performed by the People's Republic of China and the Ministry of Finance on behalf of the State Council. It is responsible for the postal business in China, implements the management system of "separating government from enterprise" and accepts the business supervision of the State Post Bureau.

6. China Petrochemical

Sinopec Group (abbreviated as SINOPEC Group) is a super-large petroleum and petrochemical enterprise group reorganized by the state on the basis of the former China Petrochemical Corporation in July 1998. It is a state-owned company wholly owned by the state, an institution authorized by the state to invest and a state holding company. The registered capital of the company is 231.6 billion yuan, the chairman of the board is the legal representative, and the headquarters is located in Beijing.

7. China Petroleum

China Petroleum and Natural Gas Co., Ltd. (hereinafter referred to as "China Petroleum" or "PetroChina") was established as a joint stock limited company in the restructuring process of China Petroleum and Natural Gas Group Company on November 5, 1999 in accordance with the Company Law and the Special Provisions of the State Council on Overseas Share Offering and Listing of Limited Companies.

8. Airlines

Airlines refer to enterprises that transport people or goods by air with various air vehicles. An airline is an enterprise that provides civil aviation services for passengers and goods by various aviation vehicles. The aircraft used by airlines can be owned by themselves or rented, and they can provide services independently, or form partnerships or alliances with other airlines. The service scope of airlines can be divided into intercontinental, intra-continental and domestic, and can also be divided into flight service and charter service.

Extended information:

Monopoly state-owned enterprises generally have the following characteristics:

1. Duality of economic objectives. Monopoly enterprises should not only pursue profit goals, but also undertake certain social obligations, that is, enterprises should consider both profit goals and social goals in their business activities.

2. Under the condition of increasing returns to scale, large-scale production by one or a few enterprises is indeed more efficient than simultaneous production by many smaller enterprises.

3. The basic industry needs huge investment in terms of its capital scale and technical engineering, and it is inseparable; As far as its construction process is concerned, the construction period is long, so the investment recovery period is also very long; As far as the liquidity of its stock capital is concerned, it has strong solidification, and the external effects of basic industries are generally obvious.

4. The basic industry is an industry that needs to be moderately advanced, because it is the basic condition for all other production departments to engage in production and business activities.

reference link: monopoly enterprise-Baidu Encyclopedia