To make it convenient for you while you are in China, we list the following conversion tables between the metric system, the Chinese system and the imperial system. Bureaux de change sponsored by the Bank of China are set up at Beijing International Airport, hotels and tourist stores. The exchange rate fluctuates with international market conditions. You should keep the form you fill in when changing money, because you will need to show it when you change RMB back into foreign currency. Postal services are usually provided at hotel desks.
Large hotels have mail boxes and sell stamps for letters, post cards and parcels.
Post offices, with eye-catching green emblesms, are usually found on main streets, at railway stations, the airport and major scenic spots. A letter costs 0.8yuan within China. Letter mailed through mail-boxes with yellow caps are delivered faster than ordinary services although no extra postage is needed. Most Chinese names have three characters, the first being the family name and the last two given names. Occasionally, one may run into four-character names, and you can be sure that the first two characters are the family name.