Anhui NOY Technology Co., Ltd. is an innovative Chinese company specializing in the development and manufacture of helium mass spectrometer leak detectors and customized helium leak detection systems. Using helium tracer technology and high-precision mass analysis, our products enable fast and accurate detection of very small leaks.

NOY solutions are widely used in applications with demanding leak-tightness requirements, including batteries, liquid cooling systems for AI servers, semiconductors, automotive components, power equipment, refrigeration and general vacuum applications. We provide leak detection solutions covering manufacturing processes through final quality inspection.

As of April 2026, NOY’s global installed base had exceeded 8,000 units. Our customers include leading companies and publicly listed enterprises across multiple industries.

In 2024, NOY joined the Atlas Copco Group. By drawing on the Group’s global R&D, supply chain and service networks, NOY continues to strengthen its products and international capabilities and provide efficient, reliable leak detection solutions to manufacturers worldwide.