根据浙江省发展新型墙体材料办公室的统计数据,截止到2002年底,省内混凝土砌块生产企业183家,占非黏土墙体材料生产企业数的47.4%,企业遍布省内各地、市。浙江省非黏土墙材企业近半是混凝土砌块厂!浙协 According to the statistics of Zhejiang Province Office of Development of New Wall Materials, by the end of 2002, there were 183 concrete block production enterprises in the province accounting for 47.4% of the total number of non-clay wall material production enterprises, with enterprises all over the province and cities. Nearly half of non-clay wall materials enterprises in Zhejiang Province are concrete block factories! Zhejiang Association