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At the national level: weights achieve international mutual recognition.
The OIML-CS (OIML Certificate Mutual Recognition System) is a globally recognized, authoritative multilateral mutual recognition scheme in the field of metrology, designed to harmonize standards, eliminate redundant testing, and enable “one certificate, worldwide acceptance.” OIML
Release Date:
2026-04-17
Source:
(Xinhua News Agency, Beijing, September 29, 2024) A reporter learned from the State Administration for Market Regulation that, National Institute of Metrology, China (NIM) Has been officially obtained International Organization of Legal Metrology (OIML) Approved, become The world's first National metrology institutes that possess the capability to issue international certifications for the entire range of weights under the OIML-CS Mutual Recognition Arrangement State Administration for Market Regulation . This move marks China’s measuring instruments have officially achieved “one test, one certificate, global mutual recognition.” , thereby completely dismantling technical metrological barriers in international trade and paving the way for China’s high-precision metrology products to gain global recognition.
The OIML-Certification System (OIML Mutual Recognition Arrangement) is a globally recognized, authoritative multilateral mutual recognition scheme in the field of metrology, designed to harmonize standards, eliminate redundant testing, and enable “one certificate, accepted worldwide.” OIML As the core metrological standard for traceability of mass values, weights are extensively used in critical sectors such as aerospace, precision manufacturing, international trade, and the pharmaceutical and chemical industries. Their accuracy and mutual recognition directly affect quality confidence across global supply chains and the fairness of international trade.
Following this approval, the National Institute of Metrology, China may, in accordance with the OIML R111 International Recommendation, conduct… 1 milligram to 5 tons , covering E1, E2 to M3 All classes of weights undergo type evaluation and are issued with an OIML International Certificate. This certificate is directly recognized by more than 80 OIML Member States and economies worldwide, meaning that standard weights manufactured in China do not require re-testing in the importing country upon export, thereby significantly reducing costs for enterprises and shortening time-to-market.
A relevant official from the State Administration for Market Regulation stated that this breakthrough represents a milestone in China’s metrology science and technology capabilities. For a long time, China has been deeply engaged in fundamental research on quality metrology, and Vacuum mass measurement, non-magnetic stainless steel construction, stability control Achieve independent control over core technologies, with technical performance metrics fully aligned with—and in some cases surpassing—the world’s leading standards.
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