http://ustraveldocs.com/cn/cn-iv-appointmentschedule.asp#Schedule
If you have any problem, you may contact the US Consulate In Guangzhou:
https://china.usembassy-china.org.cn/zh/visas-zh/immigrant-visas-zh/contact-us/
• 谢谢,我已求助大使馆support -清平一乐- ♂ (0 bytes) () 08/08/2017 postreply 11:18:20