唐山是一座有着百年历史的重工业城市,现辖二市、八县、五区和两个国营农场,总面积13472平方公里,总人口672万。其中市区面积1090平方公里,人口156万,是全国较大城市之一。1986年,唐山被国家列入京津唐一级经济区网络;1988年,被国务院批准为沿海对外 Tangshan is a heavy industry city with a century history. It has jurisdiction over two cities, eight counties, five districts and two state farms with a total area of ​​13,472 square kilometers and a total population of 6.72 million. One urban area of ​​1090 square kilometers, population 1.56 million, is one of the larger cities. In 1986, Tangshan was included in the Beijing-Tianjin-Tangshan economic zone network; 1988, approved by the State Council for the coastal