目前，交通部直属大企业在体制改革上基本实现了中远集团、长航集团。中国海运集团、中国港湾集团、中国路桥集团和招商局集团有限公司六大集团的框架结构。企业集团的建立是建立现代企业制度的大胆尝试，也是加快国有经济的改革和发展的重要途径。在向市场经济过渡过程中，逐? At present, the large enterprises directly under the Ministry of Transportation have basically realized COSCO Group and Chang Hang Group in the system reform. China Shipping Group, China Harbor Group, China Road & Bridge Group and China Merchants Group Co., Ltd. six groups of the framework structure. The establishment of enterprise groups is a bold attempt to establish a modern enterprise system and an important way to speed up the reform and development of the state-owned economy. In the process of transition to a market economy,