How to test Changzhou electrician certificate? Who can help me?

Jiangxi Practical Technical Vocational Skills Training School is now carrying out the following educational consulting training for electricians, welders, turners, CNC workers, automobile maintenance workers and buyers. , issue intermediate, advanced and technician certificates and special operation certificates (electrician, welder, refrigerator worker and working at heights) designated and allowed by the Safety Supervision Bureau, and renew them.