A Russian shipyard is finishing the second pair of Gepard-class frigates for the Vietnamese Navy.
Zelenodolsk plant in Tatarstan on Tuesday issued a press release as it started work on two cable layers for Russia.
Photos from the press release showed two Vietnamese Navy warships in the making. Their hulls were complete.
The anti-submarine ships are numbered 956 and 957, and armed with Palma close-in weapon system which includes surface-to-air missiles, 30 mm automatic cannons and fire-control system.
Russian military forum BMPD, which cited the release, said a government contract worth around US$700 million was signed on October 17, 2012 to build the two frigates. Zelenodolsk Plant held a ceremony on September 24, 2013 to start work on the ships.
One ship is scheduled for delivery to Vietnam Navy in November 2016 and the other in March 2017.
The first two ships in the class, Dinh Tien Hoang and Ly Thai To, were delivered to Vietnamese Navy in 2011 under a US$350 million contract. They were named after two Vietnamese emperors in the 10th-11th centuries.
The HQ-011 Ly Thai To, one of the first two Gepard-class frigates Vietnam bought from Russia, visits the Philippines last year.