Group 1 - The event showcased 20 construction and building material companies promoting "new technologies, new materials, new equipment, and new processes" to support the construction of "good houses" [1] - Changping District is committed to unlocking the multidimensional connotation of "good houses" through "four new" technologies, focusing on health, low carbon, and intelligence [1] - The event served as a promotional platform for advanced construction material technologies, enhancing the quality and performance of buildings [1] Group 2 - The chairman of Beijing Milan Window Energy-saving Building Materials Co., Ltd. highlighted that windows can contribute over 50% to energy conservation and environmental protection in buildings [1] - The promotion covered areas such as smart construction, intelligent temperature control, and green energy, aiming to inject new vitality into the local economy of Changping District [1] - The event aimed to establish a supply-demand platform for "four new" research and application units within the Changping region [1]