广州声学混响室吸声检测、佛山声学混响室吸声检测、深圳声学混响室吸声检测

BS ENISO 354:2003 ISO 354: 2003 GB/T 20247-2006 in conjunction with the following rating method(s): BS ENISO 11654: 1997 ASTM C423-08a ASTM C423-09a

检测标准： BS ENISO 140-4: 1998 ISO 140-4: 1998 in conjunction with the following rating method(s):

欧洲规范EN 14600及EN 1634-3:2004对国内防火防烟门的防烟性能试验