Dear Sir

I am holding one year Multiple Entry F visa with 90 days each stay and will come back to india by Jan 20th. I am a resident of Mumbai but i come to china on behalf of my company which is based in Newdelhi. Last time i tried to apply from Mumbai, but they rejected my application saying that need the letter from china government but from Newdelhi i got the Visa without that letter and with 90 days each entry.

Pls advise if this time also i can apply from newdelhi and what are the documents required ? Everytime i submit are the inviation letters from factories and one covering letter from my company. I only have chinese visa on my passport -- total 4 of them and out of that 2 are already one year multiple entry visa.

Pls advise