People's Republic of China
The Standardization Administration of the People's Republic of China (SAC) is responsible for the publication of respiratory standards. (http://www.sac.gov.cn/)
The Chinese committee SAC/TC 112 “Technical Committee on individual protection equipment” is responsible for respiratory standards, e.g. GB2626 “Respiratory protection -Non-powered air-purifying particle respirator” or GB 2890 “Respiratory protection - Non-powered air-purifying respirators”.