我国的经济体制改革已步入社会主义市场经济的轨道，为了适应这一改革的需要，国家对已有的国家标准、行业标准进行了大量的调整，使许多原属于强制性的国标、行标一下就变为推荐性标准，就日用陶瓷行业来说，一九九○年前基本上都是强制性标准，到一九九三年大部分被确定... China’s economic restructuring has entered the track of the socialist market economy. In order to meet the needs of this reform, the state has made substantial adjustments to the existing national and industrial standards so that many of the original national and mandatory standards It turned out to be a voluntary standard. As far as the ceramics industry for daily use is concerned, it was basically a mandatory standard before 1990. By 1993, most of the standards were determined.