INFICON is a professional manufacturer of instruments and various sensors, headquartered in Switzerland. INFICON has established world-class manufacturing plants in the United States, Europe and China, and branches in China, France, Germany, Japan, South Korea, Liechtenstein, Singapore, Switzerland, Taiwan, China, the United Kingdom and the United States. We also fully utilize our vacuum technology expertise to provide unique toxic chemical raw material analysis instrument products for the emergency response, security, and environmental monitoring markets, including the world's first commercially available portable gas chromatograph HAPSITE, miniature fast gas chromatograph Fusion (portable&online), and portable flammable/toxic gas detector IRwin ® And handheld combustible gas detector Gas-Mate ®️. The main production sites of INFICON have passed ISO 9001 and ISO 14001 certifications, and many instruments are produced in compliance with RoHS standards. For more information about INFICON and its products, please visit our website at www.inficon.com