Gulou district. According to the inquiry of Xuzhou local treasure network, Xuzhou Jinshanqiao Development Zone is a national and international demonstration base of new industrialized equipment manufacturing industry, which belongs to Gulou District of Xuzhou City. Xuzhou Jinshanqiao Development Zone, namely Xuzhou Economic Development Zone in Jiangsu Province, was founded in July 1992, with a division area of 152.8 square kilometers. Now it has developed 45 square kilometers and has more than 3,000 enterprises. It is a comprehensive industrial base and high-tech industrial center that Xuzhou focuses on.