开展内部升级活动提高企业整体素质包头钢铁公司包钢从１９９１年在全公司范围内开展企业内部升级活动，已整整四年。四年来，无论外部条件如何变化，包钢始终坚定不移地抓好内部升级工作，建立了以企业内部升级为动力和纽带的企业管理体系，形成了有效的激励机制和约束机... Carry out internal upgrade activities to improve the overall quality of the company Baotou Iron and Steel Company Baosteel has carried out internal corporate upgrade activities throughout the company since 1991 and has been a full four years. In the past four years, no matter how the external conditions have changed, Baotou Steel has always been steadfastly doing a good job of internal upgrades and established an enterprise management system that uses internal upgrades as a driving force and link to form an effective incentive mechanism and binding mechanism...