各省、自治区、直辖市、计划单列市及新疆生产建设兵团经贸委（经委）：1998年以来，建材工业以玻璃行业为突破口，采取限产和价格自律、淘汰落后“小玻璃”、制止重复建设等一系列措施，使玻璃生产总量得到有效控制，企业经济效益明显好转。最近，一些地区和企业不 All provinces, autonomous regions, municipalities directly under the Central Government, cities under separate planning, and the Xinjiang Production and Construction Corps Economic and Trade Commission (Economic Commission): Since 1998, the building materials industry has taken the glass industry as a breakthrough, adopting self-discipline for production restrictions and prices, eliminating obsolete “small glass”, and preventing redundant construction, etc. With a series of measures, the total amount of glass production has been effectively controlled, and the economic efficiency of enterprises has improved significantly. Recently, some regions and enterprises are not