In order to adapt to the modern market economy development environment of private enterprises in the new requirements of equipment management, this article on the Henan Jiyuan iron and Steel Group Corporation steel rolling mill under the jurisdiction of the device are analyzed, and improved practice. 为适应现代市场经济发展环境下对民营企业设备管理的新要求，本文对河南济源钢铁集团有限公司轧钢厂所辖的设备进行探讨分析，并进行实践改进。
During the requirements gathering phase of the development of the Supply Chain Management sample application, the group identified the following use cases 在供应链管理样本应用程序的开发的需求收集阶段，小组找出以下使用案例
Meet business operational level, equipment management level management requirements, achieving equipment assets management information, standardization and decision-making scientifically, improve enterprise group of the assets of the whole management level. 满足业务操作层面、设备管理层面的管理要求，实现设备资产管理信息化、规范化和决策科学化，提高企业集团资产的整体管理水平。
During the use of training theory, combined with the second pioneering the development of ZQ Group strategy decomposition proposed cooperating with the strategic requirements of middle management training system optimization program, so as to fill the blank ZQ Group training system for the training of middle managers. 期间运用相关的培训理论，结合对ZQ集团二次创业的发展战略分解，提出与战略要求相配合的中层管理人员培训体系优化方案，从而填补ZQ集团培训体系中针对中层管理人员培训的空白。
Then, we describe the security requirements, related issues and design principles of group key management. Based on some current schemes and rules for group key management, classification for group key management schemes is studied. 随后详细讨论了群组密钥管理的安全属性、相关问题和设计原则，并根据不同的规则对已有的群组密钥管理方案进行分类。
