Group 1 - The core point of the article is the A+ round financing of Harbin Bozhong Taida Optical Precision Machinery Co., Ltd., with the amount undisclosed and participation from Qingyuan Investment [1][2]. - Bozhong Taida specializes in the design, manufacturing, sales of ultra-precision processing and testing equipment, as well as the development of ultra-precision processing technology and related technical services [2]. Group 2 - The previous financing round was an A round on November 11, 2024, with Harbin Institute of Technology Assets as the investor, also with an undisclosed amount [2]. - The company aims to provide cutting-edge solutions for ultra-precision processing and testing to its users [2].