From a togetter compiling tweets by a Japanese person supposedly living in China, with links to photographs of the Chinese people in their protests against anything Japanese. No reason to believe they are genuine, no reason to believe they are not. Use your own judgment:
(Toyota dealership, top, and Nissan dealership, bottom)
It looks like the Chinese authorities are letting the air out of citizens, by directing their anger (or whatever it is) to things Japanese. I hope the authorities know what they are doing.