Airgas, Inc.
Airgas, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading U.S. supplier of ammonia products an
Introduction
Airgas, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading U.S. supplier of ammonia products an...

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Guangzhou Compass Sensing Instrument is a high-tech enterprise specializing in the research and development, production, and sales of sensors, instruments, and system engineering. The company specializes in producing pressure sensors, transmitters, w
The activities of ETL Verfahrenstechnik GmbH are focussed on separation technology, especially on the treatment of liquids.
Manufacturing of membrane modules and membrane systems (micro- and ultrafiltration),
small membrane pre-filtration systems f