Prosečne GPS koordinate za poštanski broj 317104: 29.001, 121.499
Spisak gradova:
>> Hengdu Town/横渡镇等 317104, Zhejiang/浙江, Sanmen County/三门县, GPS koordinate: 29.00115,121.49897
Spisak gradova:
>> Hengdu Town/横渡镇等 317104, Zhejiang/浙江, Sanmen County/三门县, GPS koordinate: 29.00115,121.49897