东光县隶属河北省沧州市，位于华北平原河北省东南部黑龙港流域下游。
Dongguang County, Cangzhou City, Hebei Province under, located in the North China Plain, Hebei Province, southeast of Heilonggang River downstream.
吴桥县地处黑龙港流域中部，位于河北省东南边缘，沧州地区南端。
Heilonggang Wuqiao County is located in the central basin, located in Hebei Province, southeast edge of the southern tip of Cangzhou area.
沧州干成钢管有限公司是华北地区专业生产与销售钢管及管道配件的大型企业之一，座落在河北省盐山县工业区。
Cangzhou do into North China steel pipe Co., Ltd. is specialized in the production and sale of steel pipe and pipe fittings, one of the large enterprises, located in Hebei Provinceindustrial area.
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