1. Invitation letter to the parents 0
给父母的邀请信(中文) 
2. Letter to Vo &
给vo的邀请信（英文）
3. Photocopies of passport and most recent I-94 card 
护照, I－94表复印件
4. Photocopies of driver license and medical insurance card 
驾驶执照, 医疗保险卡 
5. Photocopy of Social Security Card 
社会安全卡复印件
6. Photocopies of Employment Authorization Card 
过去两年工卡复印件 
7. Photocopies of visas to enter U.S. 

过去的入美签证复印件 
8. Employment verification letter 4
单位的证明信（offer letter）
9. Photocopies of pay stubs for last two months 
过去两个月工资单复印 
10. Original bank statements /
银行存款证明原件

12. Photocopy of W2 form ; O8 w-
税表复印件
13. Photocopy of I-797 form 3
H1的批文复印件
14, Business Card
名片