The Ministry of Human Resources Social Security designates the only official website inquiry in the national vocational qualification certificate。Website：http://zscx。osta。org。cn/。
Common four kinds of electrician certificates：
Warmanship ：
1、Special operation operation certificate：Homework type：electrician（Commonly known as Operating certificate、Enterprise certificate）。classification： High pressure operation、Low voltage operation。
Energy Board：
2、Electrician access job license：Can work within the national power grid。classification：Electrician entering network operation license is divided BALMUDA手冲壶不工作 into low voltage、high pressure、Special three categories。
Labor Bureau：
3、Vocational qualification certificate：Occupation：Electrician and work in electrician（Commonly known grade certificate），classification：Five levels：primary（Five-level）、intermediate（Four-level）、advanced（Level three）、technician（Secondary）、Senior Technician（Level）。
Construction hall:
4、Construction special operation qualification certificate:Maintaining power maintenance installation in construction sites。