东起连云港,经徐州、郑州、西安、兰州,西抵乌鲁木齐,已经成为我国重要的以能源、原材料和加工工业为主体的陆桥经济带。陆桥次区域目前已形成了六大经济圈,分别是:以徐州为中心的淮海经济圈;包括郑州、洛阳、开封等九城市,承东启西、连南贯北的中原经济圈;“关中—天水”经济圈;以兰州为中心的甘肃经济圈;以乌鲁木齐为 From Lianyungang in the east, via Xuzhou, Zhengzhou, Xi’an, Lanzhou and Urumqi to the west, it has become an important land-bridge economic belt in China with energy, raw materials and processing industries as its mainstay. The sub-region of Luqiao has formed six economic circles: Huaihai Economic Circle with Xuzhou as its center; Central Plains Economic Circle with nine cities including Zhengzhou, Luoyang and Kaifeng, Guanzhong - Tianshui "economic circle; Lanzhou as the center of the Gansu Economic Circle; to Urumqi