We need following information:
1). The date of your entering China
2). How many days you plan to stay in China
3). Cities that you plan to visit
4). Name (must be the same as those on your passport)
5). Gender
6). Date of birth
7). Passport Number
8). Passport expiration date
9). Occupation
10).Telephone- fax number and your email address
11).Your address.

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Refer to:http://www.chinaodysseytours.com/faq/necessary-travel-document.html