You should exchange your business card with two hands as a sign of respect. When presenting your Chinese business card, make sure that you hold its Chinese side up, facing your contact so that he/she can directly read it.
It is best to stand up when exchanging Chinese business cards, one-by-one, individual-to-individual.
On accepting a business card from a Chinese, show your interest by glancing at the details of the card. Putting the card immediately into your wallet or briefcase without reading it is an unforgivable insult in the Chinese business culture.