Circular of the General Administration of Quality Supervision and Inspection of the People's Republic of

Circular of the General Administration of Quality Supervision and Inspection of the People's Republic of China on the Approval of the Permits for the Manufacture of Measuring Instruments for 58 National Class II Reference Materials such as "Nitrogen in Argon Reference Materials" and for the Replacement of Reference Materials
National Quality Inspection and Quantity Letter [2012] 607
General Administration of Quality Supervision and Inspection (AQSIQ) approves 58 national secondary reference materials such as "Nitrogen in Argon Standard Material" and replacement reference materials
Notice of Permit to Manufacture Measuring Instruments
Inspection and quarantine bureaus directly under the State Council, quality and technical supervision bureaus of provinces, autonomous regions and municipalities directly under the Central Government and quality and technical supervision bureaus of Xinjiang Production and Construction Corps, relevant departments of the State Council and relevant units:
In accordance with the relevant provisions of the Metrology Law of the People's Republic of China and the Measures for the Administration of Standard Materials, 58 kinds of standard materials such as "Standard Materials for Nitrogen Gas in Argon" are now approved as the second-class national standard materials (see Annex 1), listed in the catalogue of standard materials of the People's Republic of China (see Annex 2), and uniformly numbered, and issued the "Certificate of Classification of National Standard Materials" and "Manufacturing Measuring Instru Permit".
In addition, after reviewing the certified reference materials whose manufacturing instrument license is about to expire, six national first-class certified reference materials such as "methane in argon" and 179 national second-class certified reference materials such as "nitrogen in hydrogen" (see Annex 3) are now approved to issue "manufacturing instrument license".
Annex: 1. List of National Standard Substances
2. Catalogue of Standard Substances of the People's Republic of China
3. Catalogue of Permits for Replacement and Manufacture of Measuring Instruments
AQSIQ
14 September 2012