This certificate is issued by the Ministry of Housing and Urban-Rural Development of various provinces and cities, so you should go to the website of the Ministry of Housing and Urban-Rural Development corresponding to the certificate.

For example: Hunan Housing and Urban-Rural Construction Information Network

The method is as follows:

1. Enter the qualification certificate for special construction work in Baidu, and click Hunan Housing and Urban-Rural Construction Information Network in the empty box.

2. Enter the certificate number, operation category, name and verification code, and inquire about the operation qualification certificate of special construction operations.

Extended data

1. The number of the qualification certificate for special operations in construction is fourteen.

These include:

1. The first is the abbreviation of the province (city, autonomous region) where the holder is located, for example, Shandong Province is "Shandong".

2. The second place is the English code of the city where the holder is located, which is determined by each province.

3. The third and fourth digits are position category codes, marked with two Arabic numerals (see Table A for the list of position category codes);

4. The fifth to eighth digits are the year of issue, marked with four Arabic numerals;

5. The eighth to fourteenth digits are the serial number of the certificate, marked with six Arabic numerals, starting from 00000 1.

2. For example: Lu A0 1200800000 1

It means that the building electrician in Jinan, Shandong Province obtained the certificate in 2008, and the certificate number is 00000 1.

References:

Hunan Housing and Urban-Rural Construction Information Network-Special Work Permit Inquiry