First object catalogued by USSTRATCOM:
2014-014A/39624 at epoch March 31, 0351UTC
in 681 x 703 km x 98.27°
As usual for CZ-2C launch, 5 more objects have been catalogued
2014-014B/39625 in 481 x 688 km x 98.33°
2014-014C/39626 in 653 x 812 km x 98.04°
2014-014D/39627 in 691 x 960 km x 98.09°
2014-014E/39628 in 654 x 812 km x 98.49°
2014-014F/39629 in 689 x 954 km x 98.50°
Two more launch photos...
I wonder if there is a connection between SJ-11 and the JB-6 (YG-2/4/7/11) family of satellites.
Four JB-6 were launched in 2007-2010 into sun-synchronous orbits with LTDN (local time of descent node) 09:00, 11:00, 13:30 and 15:00. All the four maneuvered in December 2010 to the same altitude. YG-7 made another small correction in March 2013.
Six SJ-11 were launched in 2009-2014 into sun-synchronous orbits with LTDN 09:00, 10:45, 14:00 and 15:45. Looks similar, doesn't it? Small maneuvers were seen for #02 and #01, the latter on March 22, 2014.
I don't think SJ-11 is the follow-on system for JB-6 but it may be an addition with separate functions.