Bring your labor contract, social security details, payroll, letters and mails that you obey the management of the company, work permit and other employee certificates to the local labor dispute court for arbitration;
According to the provisions of Articles 47 and 87 of the Labor Contract Law, if an employer terminates the labor relationship illegally, it may pay compensation at twice the length of service salary. Article 30 of the Labor Law stipulates that the employing unit shall pay the laborers' labor remuneration in full and on time. You can claim that the employer should compensate the insufficient part according to the average salary lower than that of the same position.