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Protontek, based in Hangzhou, makes vital signs monitoring devices, including children's temperature patches and ECG products.
Hangzhou Proton Technology Co. LTD, known as Protontek, was established in 2015 and works in vital signs monitoring and digital health. Its products include the CarePatch children's body temperature patch, which received NMPA certification in April 2018, handheld ECG cards and a cloud-based doctor diagnosis platform. In August 2025 the company closed a Series B round from new investor Casstar Capital.
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