Legal basis: Article 4 of the Labor Law of People's Republic of China (PRC), the employing unit shall establish and improve rules and regulations according to law, so as to ensure that workers enjoy labor rights and perform labor obligations. (1) the salary of employees is determined by the enterprise according to the technical complexity of the operation, the technical proficiency of employees and the negotiable situation of employees, and its salary depends on the supply and demand of the labor market and the operating conditions of the enterprise. (2) When a certain type of work or personnel is in short supply, or the enterprise is in good operating condition, wages will rise, and vice versa. (3) Enterprises are willing to pay more wages for workers with high professional and technical level needed for production. If the enterprise does not need professional and technical personnel at this level, it can be demoted or its remuneration reduced. (4) Employees can find another job because their salary does not meet the requirements, and enterprises can also hire other employees. ⑤ Enterprises and employees must keep the salary and income confidential and shall not disclose it to others.