蒋海宏是中国西北甘肃省榆中县的一名菜农。

Jiang Haihong is a vegetable farmer in Yu Zhong county, in northwestern Gansu Province.

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北周废榆中县，其地并人子城县，仍属金城郡。

Northern Zhou spent in Yuzhong County, the County and the Son of Man, is still Jincheng County.

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北魏太武帝太延五年(439)废县，设榆中镇。

So too the Northern Wei Dynasty Emperor five-year extension (439) Waste County, located in Yuzhong town.

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