Main activity areas in Jizhong plain east Qing County, Jinghai County, West End County, everybody in town, south to Shijiazhuang, Shanxi County, north suburb of Beijing.

• 主要活动地区在冀中平原，东至清县、静海县，西至完县、满城，南至石家庄、晋县，北至北京郊区。