to Lulong County (simplified Chinese: 卢龙县; traditional Chinese: 盧龍縣) and Wuzhong County (simplified Chinese: 无终县; traditional Chinese: 無終縣). During the
merged into Wuzhong County (无终县; 無終縣; Wúzhōng Xiàn). In 1187, during the Jin dynasty, the area was reorganized as Yongji County (永济县; 永濟縣; Yǒngjì Xiàn). In