Green: through the Beijing Disease Prevention and Control Center and the national industrial radioactive materials and hazardous material detection monitoring products to green standards .
Green: through the Beijing Disease Prevention and Control Center and the national industrial radioactive materials and hazardous material detection monitoring products to green standards .
环保性:通过北京市疾病预防控制中心及国家建筑材料工业放射性及有害物质监督检测达到绿色环保产品标准.