Vocational qualification grades are divided into five grades: primary (level 5), intermediate (level 4), advanced (level 3), technician (level 2) and senior technician (level 1). It is a necessary document for evaluating professional titles and raising wages.

Both the employment certificate and the professional qualification certificate need to be tested to get the certificate. The direct exam requires you to study by yourself and take the exam again, and you may not pass it.

There are also some training institutions that can handle it, such as Yantai lean education, which has pre-test materials to ensure that it passes the certificate.