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ZEPTOOLS develops and manufactures desktop scanning electron microscopes and related in-situ accessories.
Founded in 2022, ZEPTOOLS develops desktop scanning electron microscopes and related in-situ accessories. The company is based in Dongguan, China, and works in mechanics, optics, ultra-high vacuum, electronics, micro-nano fabrication, and software. In September 2025, it raised Series A funding from Fengyuan Capital, Yuanhe Puhua Suzhou Management, and China Fortune-Tech Capital.
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