Company profile

Anhui Nuoyi Technology Co., Ltd. (NOY) is a premium Chinese manufacturer specializing in Helium Mass Spectrometer Leak Detectors. Our systems deploy helium tracer gas and ultra-sensitive mass spectrometry to rapidly pinpoint microscopic leaks.

Critical for industries demanding absolute sealing integrity — including lithium batteries (power/consumer electronics), chip packaging, automotive components, semiconductor tools, AI hardware, and medical devices — we deliver end-to-end leak testing from R&D to mass production.

By June 2025, NOY has exceeded 6,000 installations  across China, consistently ranking top-two in annual sales among all domestic and international competitors. Clients include industry leaders and publicly traded innovators.

Following our 2024 integration into the Atlas Copco Group, we leverage global R&D resources to advance worldwide deployment.

We pioneer the future of precision manufacturing through leak detection innovation.

Tagline: Precision Beyond Boundaries, Innovating Leak Detection