Anhui Nuoyi (NOY) Technology Co.,LTD is headquartered in Hefei City, Anhui Province, China, and is part of Atlas Copco Group.  We specialise in the design, manufacture and distribution of helium mass spectrum leak detectors, helium leak detection vacuum box and recovery systems, airtight leak detector and airtight leak detection non-standard systems for R&D. 

We have invested in research and development of our technologies, and obtained many patents across software, design and invention.  Our products are used in the fields of aerospace, refrigeration, automobile manufacturing, battery, nuclear industry, vacuum systems, biochemistry, environmental protection, food fermentation, petroleum processing, organic chemistry and scientific research. 

At NOY we are proud of our brand and our people, who are dedicated in developing leak detection technologies that provide excellent stability, high precision, high efficiency and which our customers can rely on.

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