Change visa into another type query.

Dear Sir,
I am invited for a interview for a job in a university in shanghai. so i will get F type for 30 days, single entry. I want to know that if i will pass interview then can i continue to stay in shanghai for job in University? Do entry and exit management bureau office at shanghai will consider my application to change my F type into Z type ? so that i can save time and money

Nilesh