abstract: State-owned Enterprises (SOE) in China were described as Government Business Enterprises (GBE) in planned economy time. Not only as investor and owner, but also manager, government at that time was an all-powerful role in GBE. All factors of production, such as money, raw materials, production, sell, human affairs, were all decided by administrative orders. After reform and opening up, especially since 90s of last century, some related laws, including The Companies Act, were gradually promulgated and carried out, State-owned Enterprises have been found fairly like modern enterprises in appearance, but observe carefully, you will find that with the growing up of the market mechanism, Non-market mechanism still exists stubbornly during the whole company's actual operation. This study focus on two cases of State-owned Enterprises, which are administrated by myself. Trying to find out the difference in business efficiency and group cohesiveness, this study examines the effects of the market mechanism and non-market mechanism, which are respectively operated as a pivotal figure in the two companies. Under the background of the social transformation and State-owned Enterprises’ deepen reform, for stimulating the vitality and efficiency of companies, this study tries to find an optimization management model for State-owned Enterprises. / Dissertation/Thesis / Doctoral Dissertation Business Administration 2015