The comprehensive supply ship Poyanghu (Hull 882) attached to a destroyer flotilla with the navy under the PLA Eastern Theater Command steams alongside with the guided-missile destroyer Ningbo (Hull 139) as they conduct a replenishment-at-sea at an undisclosed sea area in late February, 2018. (eng.chinamil.com.cn/Photo by Wang Zhipeng)

The comprehensive supply ship Poyanghu (Hull 882) attached to a destroyer flotilla with the navy under the PLA Eastern Theater Command steams alongside with the guided-missile destroyer Ningbo (Hull 139) as they conduct a replenishment-at-sea at an undisclosed sea area in late February, 2018. (eng.chinamil.com.cn/Photo by Wang Zhipeng)

Sailors assigned to a destroyer flotilla with the navy under the PLA Eastern Theater Command discharge the dry cargo aboard the guided-missile destroyer Ningbo (Hull 139) during a replenishment-at-sea at an undisclosed sea area in late February, 2018. (eng.chinamil.com.cn/Photo by Wang Zhipeng)

Sailors assigned to a destroyer flotilla with the navy under the PLA Eastern Theater Command heave a messenger line aboard the guided-missile destroyer Ningbo (Hull 139) during a replenishment-at-sea at an undisclosed sea area in late February, 2018. (eng.chinamil.com.cn/Photo by Wang Zhipeng)

The guided-missile frigate Zhongdong (Hull 532) conducts an astern replenishment-at-sea with the comprehensive supply ship Poyanghu (Hull 882) at an undisclosed sea area in late February, 2018. (eng.chinamil.com.cn/Photo by Wang Zhipeng)