The library catalog includes many excellent electronic books describing and discussing business etiquette in various countries. Search "etiquette china" for example, to see a range of titles. You may add the word "business" but it does limit the search.
Your Passport to International Business Etiquette The most authoritative and comprehensive text of its kind, Kiss, Bow, or Shake Hands, 2nd Edition is your must-have guide to proper international business protocol. With countries such as China and India taking on a more significant role in the global business landscape, you can't afford not to know the practices, customs, and philosophies of other countries. Now fully revised, updated, and expanded with over sixty country profiles, Kiss, Bow, or Shake Hands, 2nd Edition provides invaluable information on how to handle common business interactions with grace, respect, and an appreciation for different cultures.