今年是我国建材工业“由大变强、靠新出强”跨世纪发展战略(以下简称《战略》)制定、颁布15周年。在实施《战略》已走过前两个阶段的15年,即将进入为期20年左右的第三阶段且行业上下正在以党的十七届五中全会精神组织编制“十二 This year is the 15th anniversary of the building materials industry in our country, which is formulated and promulgated by the strategy of trans-century development (from big to strong, relying on new and powerful) in the cross-century development strategy (hereinafter referred to as ”strategy“). In the 15 years after the ”Strategy" has passed the first two phases, it is about to enter the third phase of about 20 years and the industry is now preparing the spirit of the Fifth Plenary Session of the 17th CPC Central Committee