You can call 12333 to complain about labor disputes. 12333 is the national unified telephone number for consultation and complaint by the labor administrative department, and most areas provide 24-hour manual service.
Legal basis: Article 3 of the Labor Law of People's Republic of China (PRC) stipulates that workers enjoy the rights of equal employment and occupation selection, remuneration, rest and vacation, occupational safety and health protection, vocational skills training, social insurance and welfare, submission of labor dispute settlement and other labor rights stipulated by law.
Laborers should complete labor tasks, improve their professional skills, implement labor safety and health laws and regulations, and observe labor discipline and professional ethics.