Area: 9 597 thousand-sq. km
Population:: 1 370 million
last update: 08.07.2013

All activities in the field of metrology in China is regulated by the Metrology Law of the People's Republic of China, which is adopted at the 12th Meeting of the Standing Committee of the Sixth National People's Congress and promulgated by Order No. 28 of the President of the People's Republic of China on September 6, 1985, and effective as of July 1, 1986. This Law is formulated to strengthen the metrological supervision and administration, to ensure the uniformity of the national system of units of measurement and the accuracy and reliability of the values of quantities, so as to contribute to the development of production, trade and science and technology, to meet the needs of socialist modernization and to safeguard the interests of the state and the people.

The General Administration of Quality Supervision, Inspection and Quarantine of the Peopleís Republic of China (AQSIQ) is the ministerial, administrative organ directly under the State Council of the Peopleís Republic of China in charge of national quality, metrology, commodity inspection, entry-exit health quarantine, entry-exit animal and plant quarantine, import-export food safety, certification and accreditation, standardization, as well as administrative law-enforcement.

The major activities of the Department of Metrology of AQSIQ are as follows:

l        Uniformly implement the administrative work in the area of metrology in the entire country. Implement metrological laws and regulations, popularizes legal metrology units;

l        Administer and supervise national primary metrological standards, metrology standards and reference materials;

l        Organize and formulate national verification system for metrology, verification standards and procedures, and technical standards for measurement;

l        Organize national unit value dissemination and comparisons, supervise and administer metrological instruments all over the country according to the law;

l        Supervise and administer the measurement of the quantity of goods, standardize market measuring behaviour, organizes the verification of metrological arbitration;

l        Supervise and administer the measurement of energy;

l        Supervise and administer the verification organizations of metrology, social equity metrological service agencies and the qualified professional review of staff in charge of metrological verifications.

The contact information of the Department of Metrology of AQSIQ is as below:

Person in liaison: Zheng Huaxin

Address: No.9 Madiandonglu Haidian District,Beijing,100088 P.R.China

Tel: 86-10-82261849

Fax: 86-10-82260131

E-mail address:

Founded in 1955, National Institute of Metrology of the Peopleís Republic of China (NIM) is a non-profit research organization under the General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ).It is Chinaís national metrology institute (NMI) and the state-level technical center for legal metrology. It stays at the top of China's traceability chain.

As of March 2015, NIM has about 900 staff members, including about 750 permanent staff, and 150 contracted employees. The organizational structure of NIM is as below:

NIM has two campuses. The Hepingli Campus focuses on R&D in traditional areas and service provision and is NIM's customer service center. The Changping Campus focuses on cutting-edge research that has a high requirement on laboratory conditions.

As of December 2015, NIM maintains 130 national primary standards, 311 national standards and provides 1270 types of certified reference materials. 

The Quality Management System of NIM is based on ISO/IEC 17025:2005 and ISO GUIDE 34:2000 and reviewed by third party accreditation, which is implemented by the joint assessment of China National Accreditation Service for Conformity Assessment (CNAS- Chinese national laboratory accreditation body) and the peer review of Asia Pacific Metrology Programme (APMP). Till the beginning of 2016, NIM has 1266 calibration and measurement capabilities (CMCs) published in the BIPM KCDB. NIM provides 587 AQSIQ-authorized verification services, 936 CNAS accredited calibration services and 325 testing services. 

In 1977, the Peopleís Republic of China became a member state of Meter Convention. In 1999, NIM signed the Mutual Recognition Arrangement with International Committee for Weights and Measures (CIPM). NIM has one CIPM member and representatives in 10 CCs of BIPM. NIM has signed the Mutual Recognition Arrangement with Asia Pacific Metrology Programme (APMP) in December 1980 and been the full member of APMP since 1981. NIM also participated in activities and plays an active role in international organizations like OIML, ISO and maintains a close tie with other international organizations like IMEKO, IEC, etc.

The participation of China in the activities of International Organizations of Legal Metrology (OIML) and Asia-Pacific Legal Metrology Forum (APLMF) was implemented by AQSIQ. The participation of China in the activities of International Accreditation Forum (IAF) and International Laboratory Accreditation Cooperation (ILAC), as well as Asia Pacific Laboratory Accreditation Cooperation (APLAC) and Pacific Accreditation Cooperation (PAC) was implemented by CNAS.

The contact information of NIM at COOMET:

Contact person: Ms. Gao Wei, Ms. Li Mengwan/Sophia Li

Address: No. 18 Bei San Huan Dong Lu, Chaoyang Dist. Beijing, P. R. China, 100029

Tel: +86-10-64524241/64524260

Fax: +86-10-64218703

E-mail address:;