Japanese large textile enterprises choose to implement diversification strategy in responding to the recession of the original principal businesses.

Does diversification improve corporation liability and financial solvency and increase the wealth of shareholder? In this article we have a study of 44 group companies listed in Shanghai and Shenzhen stock markets which are up to the requirements and we find: the higher unrelated-diversification is, the higher corporation liability is.

the condition for acquiring the advantages of diversification like source sharing,coefficient action is that the businesses managed by enterprises are highly interrelated.

This article elaborates the necessity and possibility for our country’s shipping enterprise tocarry out the strategy of business diversification , after analysing the characteristic of interna-tional shipping market and the shipping market of our country’s future developping tendency.

The paper analyses the main problems existed in the development strategy of geological units,these are: leading industry is not clear,the level of low coherent and noncoherent diversified operation is too high,the development of leading industry of geolgical prospecting lag behind.

Chinese enterprise groups that want to become transnational corporations must carry out diversified operation.

Optimization model is established for diversified operation of virtual enterprise in the paper to reduce its risk and increase its income, and it provides the theory and methodology for the diversifed operation of virtual enterprise.

The dynamic state game analyse on our country electrolysis aluminium business enterprises' diversified management;

The diversified management pattern is an important means by which the remaining enterprises exist and develop at present.

This paper analyzes the reasons of applying diversified management to coal enterprises in china,elaborates the problems existing in coal enterprises when carrying out diversified management and puts forward the countermeasures.