How to test Xichang welding certificate?

Welders have two kinds of certificates: one is the operation certificate issued by the Safety Supervision Bureau, and the other is the professional qualification certificate issued by the Ministry of Labor.

Operation certificate 400 yuan, different grades and different prices, intermediate 600, advanced 900. Points: junior, intermediate, senior, technician, senior technician. The certificate is universal all over the country and can be found in official website! Add me Baidu for details!