近日，国家经贸委发布了《墙体材料革新“十五”规划》，提出了“十五”期间墙体材料革新的指导思想、发展目标和发展重点。按照规划，２００５年全国新型墙体材料产量将达３０００×１０８块，比２０００年增加９００×１０８块，年均增长速度为８％；淘汰实心黏土砖生产企业 Recently, the State Economic and Trade Commission issued the “Tenth Five-Year Plan” for the reform of wall materials and proposed the guiding ideology, development goals, and development priorities for wall material innovation during the “Tenth Five-Year Plan” period. According to the plan, in 2005 the country’s new wall material production will reach 3,000 × 108 blocks, an increase of 900 × 108 blocks over 2000, with an average annual growth rate of 8%; eliminated solid clay brick production enterprises