You can't apply for an intermediate engineer if you haven't obtained a work permit for a long time. After graduating from a university, the conditions for evaluating the title of intermediate engineer are as follows: after holding the certificate of assistant engineer, he has been engaged in relevant technical work for 4 years. Other qualifications are as follows:
Continuing education required 72 hours in that year. If you want to finish all the classes at once, you can take a look at this green channel for applying for intermediate engineers in Guangzhou.