Generally, it is only needed when you take office. Of course, if you apply for a job directly, you may need a certificate.

This certificate, each exchange is required to participate in its own training assessment, and then issue a certificate.

The exam is not difficult. I've basically been in the settlement and delivery department ...

At present, CICC and previous problems are relatively normal, several times a year, but not many in Zhengzhou and Dalian.