Group 1 - The core viewpoint of the news is the establishment of a joint venture, Huaxin Quanzhu, between Quanzhu Holdings and Huaxin Jiguang, focusing on advanced light source technology [2] - Huaxin Jiguang, founded by Professor Lin Nan, has made progress in advanced light source research since its establishment in 2021 and is seeking industrial funding for technology commercialization [2] - The joint venture aims to develop core precision measurement equipment for light sources and support both traditional and innovative light source technologies [2] Group 2 - Quanzhu Holdings is a publicly listed company in Shanghai's construction and decoration industry, with a business scope that includes urban renewal and smart healthcare [3] - For the first three quarters of 2025, Quanzhu Holdings reported a revenue of 664 million yuan, representing a year-on-year increase of 13.80%, while the net profit attributable to shareholders decreased by 27.10% to -69.04 million yuan [3]