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PHOGRAIN was established in 2015. As a leading enterprise in the field of photodetector chips and optical sensor in China which has hundreds of pieces of technology patents, achieving hundreds of millions of photodetector chips and optical devices shipped. The company has established the IDM production mode, which can independently carry out the research, development, design, production, testing and packaging of photodetector chips and optical devices, and provide customers with all-around integrated photodetector chips and optical devices. With superior reliability, elevated efficiency, cost-effective product advantages and timely response service ability, the company has won wide recognition from hundreds of top-quality customers around the world. There are numerous motivating factors in the field of optical communication, such as the popularization of gigabit access network, the application of strategy to channel more computing resources from the eastern areas to the western regions and the continuous improvement of 5G application ecology, the high- photodetector chip independently developed by the company has entered the optical network system of thousands of households and numerous well-known cloud service providers and operators , build the information foundation of modern digital life. In the field of optical sensing, the company's optical sensor has passed the IATF16949 international Automotive quality management system certification and AEC-Q102 product vehicle specification class certification, and has taken the lead of implementing automotive Lidar. In addition, the company has gradually expanded the sensor detection scenes in the field of medication, wind power equipment, special gas, smart home, smart wearable, mobile phone screen sensing and so on, it has also achieved mass production.