Visitors should carry a passport or other form of identification with photograph at all times
Name cards are distributed like confetti, so you should carry them with you at all times. Receiving a card without offering one in return is a signal that you do not want to make the other person's acquaintance or that you lack status yourself.
To fit in at a Chinese restaurant or teahouse, remember when someone serves you hot tea, it's customary to tap two bent fingers on the table as an expression of thanks.
By law passengers are required to wear a seat belt when available, whether sitting in front or rear.
Always ask for a receipt while traveling in a taxi. This helps you track down lost items, or the taxi driver.