https://www.navyrecognition.com/index.php/news/defencenews/2020/february/8070-chinese-navy-ships-conduct-real-combat-training-in-gulf-of-aden.html

During the real combat training exercise, the guided-missile destroyer Yinchuan (Hull 175) fired its main gun at a mock sea target and fired its secondary gun at a mock sea target. The guided-missile destroyer Yinchuan (Hull 175) and the guided-missile frigate Yuncheng (Hull 571) steamed in combat formation during the armed rescue training.