最近给父母办签证续签，贴上timeline，希望对需要中信代签的朋友们有所帮助。
Passport
05/04: Your passport is being delivered to post
05/05: Your passport is being delivered to post
05/06: Your passport is still with the US Embassy/Consulate
Visa
05/06: No Status
05/07: Administrative Processing
05/08: Issued
05/09-10: Weekend
05/11-13: Passport has been received from the consular section, and is
currently being processed for delivery
05/14: Received Passport, with 10 years visa
我家在县城，EMS四天寄到，大城市应该会更快一些。
Passport track http://www.ustraveldocs.com/cn_zh/cn-niv-passporttrack.asp
Visa track https://ceac.state.gov/CEACStatTracker/Status.aspx?
