党的十五大作出“加快国有制企业改革”决策以来，企业兼并、组建大企业集团已经成为许多国有企业焕发生机的一剂良方。因为组建大集团不是1＋l＝2那么简单，它是优势企业兼并困难企业，进行综合管理，加强企业对市场的应变能力，提高行业地区整体经济效益，有效利用资源的最佳 Since the 15th National Party Congress made the decision of “speeding up the reform of state-owned enterprises”, the merger and formation of large-scale enterprise groups have become a recipe for the rejuvenation of many state-owned enterprises. Because the formation of a large group is not as simple as 1 + l = 2, it is the dominant enterprises with difficulties in mergers and acquisitions, comprehensive management, strengthening the resilience of the market to improve the overall economic efficiency of the industry area, the optimal use of resources