what other requirements do i need?

hello god morning, Im from baguio city.A friend invited me to go to china for a visit. Im planning to apply my visa on friday, february 26 there in manila. I have my passport, COE detailing my salary, NBI, Letter of invitation from china, I.Ds , and bank statement,
- may i ask, what other requirements do i need, so ill prepare them before i get there.

- thank you very much, 😃😀