The enterprise annuity is not mandatory.

enterprise annuity refers to the supplementary old-age insurance system independently established by enterprises and their employees on the basis of participating in the basic old-age insurance according to law. The state encourages enterprises to establish enterprise annuities. According to the "Enterprise Annuity Measures", it was reviewed and approved at the 114th ministerial meeting of the Ministry of Human Resources and Social Security on December 2, 216, and was reviewed and approved by the Ministry of Finance.

the enterprise annuity fund consists of the following items:

(1) enterprise contributions;

(2) individual contributions of employees;

(III) Income from investment and operation of enterprise annuity funds.

the contribution of an enterprise shall not exceed 8% of the total wages of its employees every year. The total contributions of enterprises and employees shall not exceed 12% of the total wages of employees of the enterprise. The specific expenses shall be determined by the enterprise and the employee through consultation. Individual contributions of employees shall be withheld and remitted by enterprises from individual wages of employees.