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Tangshan is a coastal, industrial prefecture-level city in the northeast of Hebei province. It is located in the eastern part of Hebei Province and the northeastern part of the North China Plain. It is located in the central area of the Bohai Rim and serves as the main traffic corridor to the Northeast. The city faces the Bohai Sea in the south, the Yan Mountains in the north, Qinhuangdao across the Luan River to the east, and Tianjin to the west.