Just read a case from isn.org:
"
raozhig:
China, EB2
I-140: Receipt date 9/31/1999
1-140: Approved on 11/18/1999
I-485: Receipt date: 1/7/2000
I-485: approved: 9/21/2000
GC: 11/10/2000(my wife), 11/14/2000(mine)
"
Note: The PD for China in Sept 2000 is 01 MAR 99
"
raozhig:
China, EB2
I-140: Receipt date 9/31/1999
1-140: Approved on 11/18/1999
I-485: Receipt date: 1/7/2000
I-485: approved: 9/21/2000
GC: 11/10/2000(my wife), 11/14/2000(mine)
"
Note: The PD for China in Sept 2000 is 01 MAR 99