Ť he returned to the top five-year bond, because record lows in January has significantly improved, now pay 22 PC more than the beginning of the year. The enterprise culture is the soul of the enterprise, which is the inexhaustible driving force for the development of the enterprise. It contains very rich content, and its core is the spirit and values of the enterprise. The values here are not the cultural phenomena in enterprise management, but the values held by employees in enterprises or enterprises in the production and operation of commodities. The level of productivity of society determines the organizational form of social basic economic units. Enterprise is the result of the development of social productive forces to a certain level, which is the product of commodity production and exchange of goods. The deregistration of shares refers to the reduction of a part of the company's shares in accordance with the issuing procedure. The total write-off of the company's shares only occurs when the company is dissolved. In addition, through the buyback of shares and the merger of the company with the shares of the company, it can also achieve the purpose of the cancellation of shares