Longquan Road is the main trunk road in the northern suburb of Kunming. From Xiaocaiyuan overpass to Ciba Town (Machine Tool Factory), there are several large enterprises along the way, such as Kunming Tobacco Group, Kunming White Cement Factory, Kunming Heavy Machinery Factory and Kunming Machine Tool Factory. In addition, the north is also the gathering place of Kunming technical secondary schools (finance and economics school, finance and trade school, national defense engineering school, geology school, electric power school, materials school, supply and marketing school, architecture school, water conservancy school, etc.). ). Botanical Garden and Yunnan Agricultural University. The road from Xiaochaiyuan overpass to Yan Kun Group was rebuilt and expanded by Yan Kun Group at around 1998, and the rest roads were built by the government at around 200 1 to Ciba Town. This road was originally surrounded by farmland, so except for a few factories, most of them lived by farmers.