1. Residence certificates of both parties.
2. ID cards of both parties.
3. Singleness certificate issued by both parties' employing companies or residence committees.
4. Medical certificates that prove you're medically suitable for marriage.
5. Four 2-inch photos of each party; photos of both parties should be in the same background color.
6. Provide divorce certificate if any party of the marriage is divorced.
(Shanghai.gov.cn October 17, 2006)