Dear Jack,
I'm glad to know that you are coming to China. It's so important to follow the local customs that you can make a good impression on people. Here are some tips on how to behave properly.
First, when you meet someone, it's polite to greet the person with a smile and a handshake. Second, at table, you should wait for the elders to start eating first unless you are invited to begin. Third, you shouldn't talk with your mouth full. And don't point at anyone with chopsticks. Besides, you should stand in a line when you are waiting for something. And remember to be careful of your behaviour in public.
I hope these tips will help you. Have a great time in China!
Yours,
Li Hua
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