Messer’s air separation units (ASUs) are purpose-built to efficiently separate and extract oxygen, nitrogen, and argon from atmospheric air, and can deliver these gases in either gaseous or liquid form to meet diverse process requirements. In addition, our ASUs are equipped to recover rare gases such as krypton, xenon, neon, and helium, supporting a broad range of advanced industrial applications including electronics, aerospace, healthcare, and high-tech manufacturing.
With 125 years of engineering excellence, Messer combines deep know-how in the design and construction of air separation units to deliver efficient, reliable and cost-optimized solutions—fully tailored to customer requirements.
Today, Messer operates more than 300 air separation units across over 40 countries, supplying gases to a wide range of industries worldwide.
In China, our extensive network of ASUs and over 300 kilometers of pipeline infrastructure enables us to deliver high-quality, stable, and efficient gas supply services every day to customers in sectors such as steel, non-ferrous metals, electronics and chemicals, and new energy.
NITROGEN（N₂）
- Purity： 99.999%
OXYGEN（O₂）
- Purity： 99.999%
ARGON（Ar）
- Purity： 99.999%
At Messer, every air separation unit is engineered around the specific requirements of each project—ensuring full alignment with the customer’s process design, operating conditions, and existing infrastructure. Our plants are built on advanced design concepts and integrate premium-quality core components from globally recognized suppliers. This approach ensures a high degree of automation, operational stability, and energy efficiency, meeting the highest expectations for performance, safety, and long-term reliability.
Messer is
leveraging world-class application expertise and has built strong capabilities in the design, operation, and maintenance of gas systems. We’ve established a global network of air separation units to provide customers with stable and reliable gas backup, ensuring continuous system performance and enhanced operational safety. We are committed to delivering safe, stable and cost-efficient gas solutions—tailored to the specific and evolving needs of our customers. This commitment is built on more than 125 years of proven experience in the industrial gas sector. Customers turn to Messer not only for our scale and capabilities as a global provider, but also for the reliability, continuity and personal engagement we maintain as a family-owned business. Our people are the driving force behind everything we do.
You May Also Be Interested in
Oxygen
Learn More >
Nitrogen
Learn More >
Argon
Learn More >
On-site Oxygen Generation
Learn More >
On-site Nitrogen Generation
Learn More >