Never drink tap water while you are in China because it isn't safe for consumption.
However, it is okay to rinse your mouth and shower with.
Bottled drinking water is provided in most the hotel rooms.
Bottled drinking waters are also available everyday on tour buses, 2-3 bottles for $1.
We suggest that you always bring a bottle of water with you to lunches or dinners.
2 cups of beverages that comes with your meals, however Chinese people use small cups.