21世纪第一个春天来临之际，我们迎来了《中国建材》创刊20周年。在此，我向编辑部的全体同志表示祝贺，对他们多年来默默无闻的辛勤劳动表示衷心的敬意和良好的祝愿!　　《中国建材》近两三年改版以来，变化很大，面貌一新，质量逐年提高。主要表现在紧紧配合国家建材局的中 On the dawn of the first spring of the 21st century, we ushered in the 20th anniversary of the publication of “China Building Materials”. Here, I congratulate all the editors of the editorial department and express my heartfelt respect and good wishes for their obscurity and hardworking over the years. Since the revision of “China Building Materials” in the past two or three years, there has been a great change and a new look. The quality Increase year by year. Mainly in the work closely with the National Building Materials Bureau