https://www.capno-med.com/products/high-flow-nasal-cannula/ In 2019, it passed ISO 13485 and CE certification, and its products cover EtCO2 monitoring, breath sampling, HFNC, rehabilitation consumables, etc. At the same time, it has domestic and international registration certification and main market access qualifications, providing professional, fast and reliable services for users from all over the world.All Rights Reserved