Legal analysis: Yes. As long as there is a dispute, telephone complaints from the labor bureau are useful. The labor bureau is responsible for managing labor disputes. As long as there are labor disputes, people can go to the labor bureau for mediation. According to China's labor security supervision regulations, after a worker complains to the labor bureau, if the complaint is true, the labor bureau will handle it with the employer.
Legal basis: Article 16 of the Regulations on Labor Security Supervision should have at least two labor security inspectors, wear labor security supervision signs and produce labor security supervision certificates. If the labor security supervision matters handled by labor security inspectors have a direct interest in themselves or their close relatives, they should be avoided.