Founded in 2016, Dongguan Dafan Optical Technology Co. , Ltd. specializes in the development and production of machine vision optical calibration technology and products, specializing in the design, production and sales of calibration-related products, the company's business scope has already covered mobile phone industry, automobile industry, security industry, microscope industry, robotics industry, AR/VR industry, industrial testing industry, medical testing industry and other eight fields.