Besides the requirements listed on China Travel Visa(https://www.travelchinaguide.com/embassy/visa/tourist.htm) , you also need to provide the original and copy of Italian Residence Permit.

i want to know that should i need any type of invitation letter or it is not compulsory as i am visiting china as tourrirst and the other things are application form, photo, italian residence perment, airline ticket, and hotel booking, passport, bank statement, is there anything else except these things plz tell me and also tell me that hotel reservation is compulsory?thanks

It is not compulsory to provide invitation letter if you visit China as tourist, it is compulsory to provide Hotel Reservation for you. It is strict for Pakistani applicants