Chinese Tourist visa for Pakistan national

Ahmed, you cannot apply for individual tourist L type to travel to PRC. You need to book a tour and then ask the travel agency to apply for a group tourist L type for you. The first step is to prepare the required documents including a notice from an authorized travel agency in PRC, the application form, your passport and its copy, and an introduction letter from the travel agency. And then submit the application to the embassy of PRC to apply for it. After submitting the application, it usually takes 5 working days.
In principle, it is free of charge for Pakistan passport holders, but the travel agency will charge for the service fee and different travel agencies charges different.