改革开放以来,洛阳建筑业得到了长足的发展,特别是国有企业在施工能力、技术、设备、质量上更是优于其他经济类型的企业,并在相当长的时期内保持着良好的发展态势。但由于建筑产品本身具有的固定性、生产周期长、价值量大、社会性强等特点,其供给和需求易受国民经济周期性波 Since the reform and opening up, Luoyang construction industry has made considerable progress, especially state-owned enterprises in the construction capacity, technology, equipment, quality is better than other economic types of enterprises, and maintained a good development trend for a long period of time . However, due to the characteristics of fixed product, long production cycle, large amount of value, and strong social characteristics of construction products, their supply and demand are vulnerable to the cyclical wave of the national economy.