I am helping a Pakistani classmate to find a job in China, but I sent more than N emails to online recruitment companies, but none of them answered me.

You can consider applying for a medical school tutor or a medical research institution.

Medical research institutions give priority to joint ventures or foreign-funded enterprises.

Check your resume again to see if there are any problems.

Focus on understanding the job requirements of the delivery position, find the fit point, and emphasize it in your resume.

Turtles are not really valuable, but also need to see if they are suitable.

In addition, depending on personal requirements, such as whether the salary is too high or not, you will set limits for yourself.