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2001年第三季度国家经贸委对国家重点企业进行了“企业信息化水平问卷调查”，从选出的2000年IT投入最大的100家企业中发现，国内重点企业的信息化应用正从基础系统应用向综合系统应用过渡。国家重点企业行业分布行业冶金铁道煤炭石油石化化工建材建筑医药林业交通民航机械汽车
In the third quarter of 2001, the State Economic and Trade Commission conducted a “survey of enterprise informatization level” on key state-owned enterprises. From the selected 100 enterprises with the largest IT investment in 2000, it was found that the application of informatization of key domestic enterprises was shifting from basic systems Applications transition to integrated system applications. National Key Enterprises Industry Distribution Industries Metallurgy Railway Coal Petrochemical Chemical Building Materials Construction Medicine Forestry Transportation Civil Aviation Machinery Automobile