党的十五届四中全会通过的《中共中央关于国有企业改革和发展若干重大问题的决定》中指出 :“国有经济的作用既要通过国有独资企业来实现 ,更要大力发展股份制 ,探索通过国有控股和参股企业来实现。”“国有大中型企业尤其是优势企业 ,宜于实行股份制的 ,要通过规范上市 ,中外 The “Decision of the CPC Central Committee and the Central Government on Several Important Issues concerning the Reform and Development of State-owned Enterprises” adopted by the Fourth Plenary Session of the 15th Central Committee of the Party states: “The role of the state-owned economy should be realized through the sole proprietorship of state-owned enterprises. Moreover, the joint stock system should be vigorously developed and explored State-owned holding and joint-stock enterprises to achieve. ”" State-owned large and medium-sized enterprises, especially the dominant enterprises, should be implemented in the shareholding system, to regulate the listing, both at home and abroad