Prosečne GPS koordinate za poštanski broj 511550: 23.885, 112.955
Spisak gradova:
>> Huilan Town/回澜镇等 511550, Guangdong/广东, Qingyuan City/清远市, GPS koordinate: 23.88519,112.95523
Spisak gradova:
>> Huilan Town/回澜镇等 511550, Guangdong/广东, Qingyuan City/清远市, GPS koordinate: 23.88519,112.95523