OGA Insights

Chang Ai Is a Gas analysis instruments manufacturer and supplier. Chang Ai specializes in studying, developing, producing, and selling world-leading gas sensors, analyzers & systems. Chang Ai focuses on the research and development of various analysis and testing technology. Chang Ai has 8 series and more than 100 different models： Oxygen analyzers, Moisture(Dew point) analyzers, Thermal conductivity analyzers, Infrared gas analyzers, Laser(DLAS) analyzers, High-temperature humidity analyzers, Liquid phase analyzers, and all kinds of continuous analyzing systems. Our products are widely used in air separation units, environmental, metallurgical, petrochemical, chemical, energy, food, pharmaceutical, brewing, scientific research, and other industries.