State-owned enterprises or state-owned enterprises or state-owned enterprises. In international practice, state-owned enterprises only refer to enterprises invested or controlled by the central government or the federal government of a country; In China, state-owned enterprises also include enterprises invested and controlled by local governments. Its profitability is reflected in the pursuit of maintaining and increasing the value of state-owned assets. Its public welfare is reflected in the fact that the establishment of state-owned enterprises is usually to achieve the goal of national economic regulation and play a role in coordinating the development of all aspects of the national economy. The will and interests of the government determine the behavior of state-owned enterprises. As a form of production and operation organization, state-owned enterprises have the characteristics of both profit-making legal persons and public welfare legal persons.

According to Article 9 of the Provisions of the National Bureau of Statistics and the State Administration for Industry and Commerce on the Classification of Enterprise Registration Types (1No.200 of August 28th, 998), "Private enterprises refer to profit-making economic organizations established or controlled by natural persons and based on wage labor. Including private limited liability companies, private joint stock limited companies, private partnerships and private enterprises registered in accordance with the Company Law, the Partnership Law and the Provisional Regulations on Private Enterprises. "