最近,云南有关部门和经销单位通过市场跟踪、回访服务和调查,发现云南省部分水泥生产和使用单位质量意识不强,违规使用假冒的标准砂,给水泥产品质量和工程质量带来严重隐患,影响恶劣。国家对水泥强度检验用标准砂历来都实行严格管理,无论是过去的国家建材局、经贸委,还是到现在 Recently, Yunnan departments and distribution units through market tracking, return service and survey found that some units in Yunnan Province, cement production and use of quality awareness is not strong, illegal use of counterfeit standard sand, cement quality and project quality to bring serious problems, Bad influence. National standards for the testing of cement strength has always been the implementation of strict management of sand, both in the past, the State Building Materials Bureau, Economic and Trade Commission, or until now