TrueLight3D

TrueLight3D (楚光三维) is a Wuhan-based optical 3D sensing company founded in November 2022, developing micro- and nanometer-precision measurement instruments for industrial inspection, semiconductor packaging, AI hardware, and advanced manufacturing . Its core products include surface confocal 3D microsensors and microscopes with Z-axis precision ranging from 1 nm to 1 μm, designed to work across materials and surface structures that challenge conventional inspection methods .

FreeS Fund (峰瑞资本) has backed the company from inception, leading its angel round in 2023 and continuing to invest through subsequent angel+ and pre-A+ rounds . The firm described TrueLight3D's team as bringing years of industry and research experience in spectral confocal and coded imaging technologies to address rising demand for high-precision 3D measurement in advanced manufacturing .