On July 20, 2009, USCIS received I129F PETITION FOR FIANCE(E) On Aug.8, 2009, we get Receipt Number which could track the case status. On Aug.12,2009, case is at VERMONT SERVICE CENTER location On Oct. 2, 2009, approved notice mailed (this is P2) On Oct.20,2009, got case number from embassy Guangzhou , case has been sent to the embassy On Nov.2,2009, the embassy (guangzhou) called and sending the P3 On Nov.9,2009, got the P3 by EMS On Nov.11,2009, Mailed DS-230 part 1 and form169 back to embassy (guangzhou) On Dec.7,2009, got P4 and interview date is 24th December,2009