What visa needed to visit China Electronics Fair in Shanghai from November 13-15.

I am a journalist and will make reports from the fair for Danish magazines and websites. I live in Manila but have a Danish passport. Can you please tell me what kind of visa I need. I will arrive in shanghai November 12 from Manila and leave again november 16. I have registred as a journalist for the fair. What documents should i take to the embassy for my application for visa?.

Best regards
Gunnar Blaschke