about visit visa to China.

L visa is issued to applicants for visiting direct family in China. If you only visit your friend in China, you may not able to get an L visa with invitation letter from your friend. So, you may need to join other 4 persons and apply for a group visa from Chinese embassy in Pakistan through a travel agency. But in this case, all members on this group visa are required to enter and exit China together at the same time. So, contact a travel agency for more details.