travel tourist in china with your sponsor

hi! i'm michael 25" visiting Guangzhou china this march to the trade show. my friend sponsor me to this trip, accommodation and 2 way ticket flight, he apply me for visa for assurance.. what are the requirement in visa if you are sponsor by the other person..
one of the requirements is bank certificate. minimum of 300k. i have no bank account and a don't have 300k for the trip.