Here's what has been launched so far in terms of
.
Type 054As: (in order of pennant number)
01 - FFG 529 Zhoushan,2006-1221, HD
02 - FFG 530 Xuzhou, 2006-0930, HP
03 - FFG 531 Unnamed, 2012-0512 HP
04 - FFG 532 Unnamed, 2012-nnnn HP
05 - FFG 538 Yantai, 2010-0824, HD
06 - FFG 546 Yancheng, 2011-0428, HP
07 - FFG 547 Linyi, 2011-1210, HD
08 - FFG 548 Yiyang, 2009-1115, HD
09 - FFG 549 Changzhou,2010-0520, HP
10 - FFG 550 Siping, 2011-0528, HD
11 - FFG 568 Chaohu,2007-0523, HP
12 - FFG 569 Yulin, 2009-0428, HP
13 - FFG 570 Huangshan, 2007-0318,HD
14 - FFG 571 Yuncheng, 2009-0208, HD
15 - FFG 572 Yueyang, 2011-1214 HP
So, as of December last year, there were 15 Type 054As already launched. with the two original Type 054s, that makes seventeen.
Since that time another has already been launched I believe which was number 16, which would make this one...which will probably be launched late this year or early next, number 17 Type 054A:
16 - FFG 573 Shaoyang, 2012-nnn HD (Already launched I believe)
17 - FFG 574 Liuzhou, 2013-nnnn HD (The one we see in the pic)
18 - FFG 575 Qinzhou, 2013-nnnn HP
Hope that helps.