You can apply for A tourist visa from the Chinese embassy in Pakistan with the following documents:
a Original passport with validity more than six months and minimum 2 blank visa pages;
b Photocopy of the first 2 pages (personal information) of the passport and the recent Chinese visa page if there is any;
c One fully completed visa application form in Chinese or English, attached with one of the applicant's recent color photograph (30mm X 40mm)
d. round-way air tickets and hotel reservation in China.