It is illegal to sign a written labor contract with workers after one month from the establishment of labour relation.

you can apply to the labor inspection department of the local social security bureau for labor arbitration, and the complaint telephone number is 12333.

article 11 of the labor contract law establishes labor relations, and a written labor contract shall be concluded.

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.

if the employer and the employee conclude a labor contract before employment, the labor relationship will be established from the date of employment.

article 82 if the employer fails to conclude a written labor contract with the employee for more than one month and less than one year from the date of employment, it shall pay the employee twice the monthly salary.