I want to apply for the employment visa in china i.e Z visa.

Hello,
I want to apply for the employment visa in china i.e Z visa. Right now i m on F visa staying in china. I want to know do i can apply it as in i checked on many website they all show different documents required for employment licence. I don't have Bachelors degree i just did my high school So do i can apply for the same i want to know what is the proper procedure for it and what exact documents will be needed for the same.........