For different passport or visa holders, you need to offer the different documents.
1) For foreign personal passport holders, such as USA, UK, Australia, Canada, Singapore, Malaysia citizens, you will only need to offer the scanned PDF file copy or clear and complete picture copy of personal passport and China tourist visa (also knows L visa because the type is L).
If you hold X visa, you need to offer passport, X visa and additional study proof.
If you hold Z visa or China residence permit, you need to offer passport, visa or permit and additional work certificate or Foreigners’ work permit.
If you hold Q2 visa, you need to offer passport, Q2 visa and additional invitation Letter from relatives.
If you hold APEC card, you need to offer passport, APEC card and additional work certificate.
If you hold other visa, you need to consult your trip advisor which additional certificate or invitation letter.
2) For Taiwan passport holders, you are Chinese and holding This Card is Intended for Its Holders to Travel to the Mainland of China (Chinese: 台湾居民来往大陆内地通行证) , abbr.: Home Return Card (Chinese: 台胞卡or台胞证). You will need to offer the scanned PDF files or clear and complete pictures of Taiwan passport and the Home Return Card.
In addition, when applying for travelers’ Tibet Travel Permit, travel agency also need to prepare other documents, such as reserved itinerary, guide and car & driver’s information.