The business card plays an important role in conducting business in Japan. There are a few key tips to remember:
1) Always give and receive cards with both hands.
2) Take special care of the cards that are given to you. Spend some time consulting the card and reading it as a show of respect
3) Never write on or deface the business card
4) The business card exchange process is a pre-cursor to any business commencing.
Japan, to a lessor extent, Hong Kong