1, professional qualification certificate of labor bureau, divided into high school and low school.

2. Special professional qualification certificate of the Security Bureau.

3, the Ministry of labor and social security network license. That is, the electrician's operation certificate.

4, special operation certificate. Generally handled by the safety production supervision bureau or the Economic Commission.

5, into the power grid electricity my work permit. In the power sector] to introduce electrician knowledge.

6. Vocational qualification grade certificate.

Mechanical maintenance refers to the professional and technical personnel engaged in the repair and maintenance of large and complex mechanical equipment. They demonstrate, analyze, summarize and report the technical aspects of maintenance equipment, overhaul equipment, patrol equipment, maintenance equipment and machinery in order to improve the efficiency of mechanical equipment and ensure its normal and safe operation.

In the future, with the wide application of electronic technology in construction machinery, man-machine interaction will be truly realized.

The certificate of construction machinery maintenance worker used to be a national vocational qualification certificate, but now it is a third-party skill level certificate of people's society. It contains a lot of gold. Obtaining a certificate is not only a necessary condition to meet the job requirements, but also a necessary condition for promotion and salary increase. Like ordinary areas, you can receive skills subsidies, as well as points for settlement.

Application conditions for senior construction machinery maintenance workers:

1, who has passed the qualification certification of construction machinery maintenance personnel;

2. College degree or above or equivalent;

3. Engaged in related work for more than one year.