这是我刚刚按照上海领馆网页上面的要求总结的支持父母的B2签证资料清单，供参考。
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B2 Visa Applicant document list:
1. Housing certificate
2. Monthly bank statements for past year & deposit certificates
3. Retirement and Pension certificate
4. Medical insurance certificate
5. Family registry (Hu Kou)
B2 Inviter document list:
1. Birth certificate
2. Family pictures in past years
3. Passport copy (with entry/exit stamps from China)
4. Employment verification letter
5. Monthly bank statements for past year
6. Tax return 1040 and W2 for past year
