Zhongshan Economic Development Zone(New hongqiao Zone) is Located in the southeast part of the downtown area of Liupanshui City,with a planned area of 66.20km²,and a developable land area of about 23km², 14km in length from east to west and 6km in width from south to north. As the only zone under direct administration by the municipal government, Zhongshan Economic Development Zone is an important platform and carrier for the whole city's industrial development. In January 2015, it is app roved and recognized recognized by the Ministry of Industry and Information Techonlogy as a national new-type industrialization demonstration base.
The zone governs 3 community service centers, 7 administrative villages,with a total population of 17,336. Ther is no servere cold in winter or intense heat in summer.The natural environment is cool,pleasant,moist and fresh,with moderate ultraviolet radiation.In summer,the number of days in which climate is pleasant to human accounts for above 97%. In a whole year,the fine-quality air ratio reaches about 98.4%.Theaverage negative oxygen ion content in air reaches 13,090 ions/cm³. It is called "the Cool City of China" by Chinese Meteorological Society,and has been recongnized for many times as "one of the distinctive & charming cities in China". People say,"let's go to Hainan in winter, and Liangdu(the Cool City) in summer".