| Information | |
|---|---|
| Name | Duo |
| Postal Code | 252500 |
| Towns | Chengguan (城关镇) |
| Counties | Guan |
| Prefecture cities | Liaocheng |
| Provinces | Shandong (山东省) |
| Place Type | town | Language | ZH | HASC |
| Daylight Saving Time | NOT APPLICABLE |
| Local Date |
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| Local Time |
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