China seems to like action packed, colorful and high fantasy films. Just look at the biggest franchises over there, Fast and Furious, Transformers, Warcraft... All of them have a lot of action and offer alot of spectacle (ie fun time).
They don't seem to like space movies though, unless it takes place on one planet. Star Wars is a dead franchise there and GotG is one of the lower grossing MCU films over there. Doesn't bode too well for a potential Green Lantern film though and Batman might have trouble over there (too dark)... But we'll see