Second Type052D DDG 173 "Changsha" undergoing sea trials near Zhoushan

Just last week another destroyer -172 Kunming - in this 052D class was commissioned.

http://www.asiandefencenews.com/2014/03/china-navy-commissions-type-052d-luyang.html

Number	Pennant Number	Name	Builder	Launched	Commissioned	Fleet	Status
1	172	昆明 / Kunming	Jiangnan-Changxing	28 August 2012	21 March 2014	South Sea Fleet	Active
2	173	长沙 /Changsha	Jiangnan-Changxing	28 December 2012	End of 2014	South Sea Fleet	Sea trial