jianxiquIntroduction：Introduction to Daixi: The western part of Luoyang City is an urban industrial area with the mechanical industry as the main body. The east is bordered by the Weihe River, facing the Xigong District across the river, and the west is connected to the Dongyuou Village in the suburbs. It borders the Weihe River in the north and the Qinling Mountains in the south. Built in July 1955. Because it is west of the Weihe River, it is named West District. The western part of the city is 90 square kilometers with a population of 456,000 (2000), including 12 streets and 1 industrial cluster. West Yunnan has the characteristics of an obvious emerging urban area. There is no obvious boundary in the area. The urban-rural junctions are intertwined and the regional boundaries are expanding.