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Protechwin develops and sells optical and photonics systems, including imaging, spectroscopy and sensing equipment.
Founded in 2017 and based in Tianjin, China, Protechwin Technology designs, develops, manufactures and sells optical and photonics products. Its offerings include OCT and hyperspectral imaging systems, Raman and UV spectrometers, fiber sensing systems, optoelectronic components and related software. It supplies China National Nuclear Corporation and holds ISO 9001 certification. In May 2025, it closed an Angel+ round from Hairun Zhitong (Tianjin) Technology.
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