I want visit visa for china.

You must take part in a China tour group of more than 5 members, since China Embassy in Pakistan doesn't accept individual China visa applications. The busic requriements are:
1. Completed Visa Application Form affixed with one recent color photo (30mm X 40mm)
2. Original passport with a validity of more than 6 months and minimum 2 blank visa pages
3. Copy of the personal information page of your passport
4. If it is your first visit to China, you should provide your local police character/clearance certificate
5. Your bank statement and round-trip tickets