These ship are of older generation, DDG 112 Haerbin and FFG 528 Mianyang. DDG112 is one of the two Type 052 DDGs served in PLAN now, her sister ship is DDG113 Qingdao, Nato Nicknamed Luhu Class. DDG 112 and 113 all have been upgraded and refitted in 2011 but no plans of further construction of additional units. Instead these ship will be followed by the more powerful and stealthier 052D class.
FFG 528 is one of the Type 053 H frigates, NATO nicknamed Jiang Wei II, there are 10 hulls of these ship have been built, they also have been upgraded and refitted but no longer in production after the early 2000s, it will be replaced by Type 054A/B class.