http://www.uscis.gov/green-card/green-card-processes-and-procedures/consular-processing
收益人在中国,走consular processing.第一步由家属填写I-130,以后的步骤听从指示.
LINK:
http://www.uscis.gov/green-card/green-card-processes-and-procedures/consular-processing
http://www.uscis.gov/green-card/green-card-processes-and-procedures/consular-processing