You can visit Chinese Visa Application Service Center to find out what document you need to enter China.
If your travel is only for attending the SPM conference, you can check Visit China on business
Participants requiring a letter of invitation for the VISA can contact the conference host.
As requested by Chinese Consular Affairs, please provide the following information of yourself in your email:
- complete name
- date of birth
- passport number
- company represented and position
- address and telephone number (both work and home)
- the date intends to leave China
If you are an author, also indicate:
- Paper title
- List of authors