仅以中国石油为例,其历史遗留问题为以下几个方面—一、企业负担沉重。在缺乏有效社会依托情况下,企业担负了400万职工、家属的管理和服务职能,服务区域遍布43家企业(14家油气田企业、15家炼化企业、12家专业公司、2家科研院所),分布于全国19个省、市、自治区,管理和服务区域总面积达1143.47平方公里 Take China Petroleum alone as an example. Its historical legacy is the following: First, the burden on the company is heavy. In the absence of effective social support, the company is responsible for the management and service functions of 4 million employees and their families. The service area covers 43 companies (14 oil and gas field companies, 15 refining companies, 12 professional companies, and 2 research institutes). ), distributed in 19 provinces, cities, and autonomous regions across the country, with a total area of ​​1143.47 square kilometers in management and service areas.