Group 1 - The core point of the article is that Beijing Xiaomi Mobile Software Co., Ltd. has obtained a patent for a "calibration verification method, calibration verification device, and storage medium," with the authorization announcement number CN115222818B, and the application date being April 2021 [1] - Beijing Xiaomi Mobile Software Co., Ltd. was established in 2012 and is located in Beijing, primarily engaged in software and information technology services [1] - The registered capital of Beijing Xiaomi Mobile Software Co., Ltd. is 148.8 million RMB [1] Group 2 - The company has made investments in 4 enterprises and has participated in 151 bidding projects [1] - The company holds 5000 patent information and has 123 administrative licenses [1]