江苏省射阳县年产粘土实心砖10亿多块(折标砖),每年挖废土地3000多亩。1990年县建立墙体材料改革办公室,10多年来为墙材革新与建筑节能做了大量的工作。新型墙体材料从1990年零起点,上升到2001年底占墙材总量的92%,粘土实心砖从1990年年产量10亿多块下降到2001年年产量0.6亿块, Sheyang County, Jiangsu Province, with an annual output of clay solid brick more than 1 billion blocks (brick), each dig 3,000 acres of land waste. In 1990, the county established the office of wall material reform, and over the past 10 years, it has done a lot of work for the renovation of wall materials and building energy conservation. New wall materials from zero in 1990, rose to the end of 2001 accounted for 92% of the total wall materials, solid clay bricks from the annual output of more than 1 billion units in 1990 down to 2001 annual output of 060 million,