1995年6月19日,江苏省通州市人民政府办公室发出通知,明确今后在全市推广应用混凝土小型空心砌块。 通知规定设计部门在商品住宅、厂房、办公楼和旧城改造等各类建筑设计中,要优先选用空心砌块,大力压减粘土实心砖的用量;市城区各类建筑(不包括个人住宅)必须优先 On June 19, 1995, the Tongzhou Municipal People’s Government Office of Jiangsu issued a notice to clearly promote the application of concrete small hollow blocks in the city. The notice stipulates that the design department should give preference to hollow blocks in various architectural designs such as commercial houses, workshops, office buildings, and old city renovations, and strongly reduce the amount of clay solid bricks; various types of buildings in urban areas (excluding personal residences) Must give priority