Legal analysis: you can apply to the labor bureau for arbitration, or you can complain to the labor inspection brigade.

Legal basis: Article 39 of the Law of People's Republic of China (PRC) on the Protection of Consumers' Rights and Interests, where the legitimate rights and interests of consumers are harmed by purchasing or using commodities or receiving services. If the original enterprise is divided or merged, it may claim compensation from the enterprise that bears its rights and obligations after the change.