if i have acceptance in Chinese university, will you give student visa and what's the fee?

You have to prepare all the documents required for the X visa. Then the embassy decides whether to give you the visa or not.

1. your valid passport (at least six (6) months validity left before expiration and at least one blank page left in it).
2. one completed form with one additonal passport affixed to it.
3. An approved Foreign Student Visa Application Form (JW201 or JW202) issued by the authorized Chinese unit, and an enrollment letter from the Chinese school.
4. the applicant who will study in China for more than one year shall also provide a Physical Examination Certificate for Foreign Citizen.
5. An applicant born in China who applies for a Chinese visa with a new foreign passport is required to submit his/her Chinese passport or last foreign passport with a Chinese visa.