Baidu map shows that Tangshan is located in the east of Hebei, northeast of North China Plain, bordering Bohai Sea in the south, Yanshan and Tianjin in the north, northeast of North China Plain in the north, downstream of Haihe River Basin and Bohai Sea in the east. The distance between the two places is 134.2km, and the driving time is 1 hour 49 minutes, passing through Shen Chang Expressway and Jinning Expressway. Tangshan and Tianjin are both important cities in China, with their own unique geographical location, historical background and economic characteristics. Tangshan also has many national titles such as "China (Tangshan) cross-border electronic commerce Comprehensive Experimental Zone" and "China (Hebei) Pilot Free Trade Zone". Tianjin is the confluence and estuary of five tributaries of Haihe River, and is known as "downstream of Jiujiang River" and "river-sea emergency".