> It was hard for me to get vendors to accept paper money. In this case, by law (Law of the People's Republic of China on Commercial Banks to be specific), ref

> It was hard for me to get vendors to accept paper money. In this case, by law (Law of the People's Republic of China on Commercial Banks to be specific), refuse to accept RMB as domestic commercial payment in China is illegal. It won't help you that much (unless you want to sue them), but you still have upper hand there to ask them to do you some favor.