According to the Law of the People's Republic of China on Labor Contracts

Article 7, an employer shall establish a labor relationship with a worker from the date of employment. The employer shall establish a roster of workers for inspection.

Article 10 A written labor contract shall be concluded when a labor relationship is established.

If a labor relationship has been established and a written labor contract has not been concluded at the same time, a written labor contract shall be concluded within one month from the date of employment.

Where an employer and a worker conclude an employment contract before employment, the labor relationship shall be established from the date of employment.

Article 82 If an employer fails to conclude a written labor contract with a worker for more than one month but less than one year from the date of employment, the employer shall pay the worker two times the monthly wages.

As long as the labor labor relations with the enterprise, within one month, must sign a written labor contract.

Expanded Information

The labor contract should have the following terms:

(a) the name, residence and legal representative or principal person in charge of the employing unit;

(b) the worker's name, address, and the number of his or her resident's identification card or other valid identification document;

(c) the The duration of the labor contract;

(4) the content of the work and the place of work;

(5) the working hours and rest and vacation;

(6) the remuneration for the work;

(7) the social insurance;

(8) the protection of the work, the working conditions, and the protection against occupational hazards;

(9) other matters stipulated by the laws and regulations that should be included in the labor contract;

(10) the legal representative or the person in charge of the labor contract; and other matters.

In addition to the mandatory clauses stipulated in the preceding paragraph, the employer and the worker may agree on other matters such as probationary period, training, keeping of secrets, supplementary insurance and welfare benefits, etc.

The employer and the worker may also agree on other matters such as the employment contract.

Baidu Encyclopedia - Law of the People's Republic of China on Labor Contracts