建筑业企业集团核心企业的发展与壮大按：当前，建筑业企业集团发展过程中，经济实力不强的问题较为突出，尤以核心企业实力不强为代表。为此，建筑部政策研究中心建筑业研究所与上海住总公司联合组成的课题组在研究企业集团及其进行公司制改组课题的过程中，着重就此进行了探 The development and expansion of the core enterprise of the construction enterprise group: According to the current situation, in the development process of the construction enterprise group, the issue of weak economic strength is more prominent, and the strength of the core enterprise is not representative. To this end, the research group formed by the Institute of Construction Research of the Policy Research Center of the Ministry of Construction and the Shanghai Housing Corporation focused on the exploration of enterprise groups and the company’s restructuring tasks.