According to the facts you described, try to answer the following questions according to relevant laws for your reference:
First: To be sure, private enterprises must also abide by the provisions of the Labor Law and the Labor Contract Law.
According to the Labor Contract Law:
Article 2 This Law is applicable to enterprises, individual economic organizations, private non-enterprise units and other organizations (hereinafter referred to as employers) in People's Republic of China (PRC) to establish labor relations with laborers and conclude, perform, modify, dissolve or terminate labor contracts.
State organs, institutions, social organizations and laborers who have established labor relations with them shall conclude, perform, modify, dissolve or terminate labor contracts in accordance with this Law.
So what is certain is that private enterprises must also abide by the provisions of the labor law.
Second: What measures can you take if the unit violates the Labor Law and the Labor Contract Law?
First of all, if your rights and interests are infringed, you can complain and report to the administrative department of labor inspection.
Or directly file a labor arbitration.
Secondly, if many regulations violate the provisions of the labor law, you can defend your rights according to the legal provisions:
Article 77 If the legitimate rights and interests of laborers are infringed, they have the right to ask the relevant departments to handle it according to law, or apply for arbitration or bring a lawsuit according to law.
Article 79 Any organization or individual has the right to report violations of this Law, and the labor administrative department of the people's government at or above the county level shall promptly verify and deal with them, and reward those who report meritorious deeds.
Illegal units should bear legal responsibility:
Chapter VII of the Labor Contract Law is a special chapter on legal liability.
You can take a closer look.
Then according to the corresponding facts, collect relevant evidence and report. Naturally, there will be corresponding functional departments to handle it.
Lawyer Cao of Zhengzhou City, Henan Province