Group 1 - The article highlights the innovative technologies showcased at the 2025 Service Trade Fair, particularly in the context of urban renewal and the modernization of old residential areas [1][3] - Urban renewal is shifting from "incremental expansion" to "potential tapping and quality improvement," which is crucial for enhancing the quality of life for residents [3] - The exhibition features successful cases of urban renewal, including the transformation of old residential areas and the integration of smart community solutions [3][4] Group 2 - A new waterproofing material, "Waterproof Star," developed by Beijing Construction Municipal Road and Bridge Engineering Research Institute, allows for fire-free, quick application, significantly improving construction safety and efficiency [4][5] - This material has double the adhesion strength compared to traditional options and can be applied in damp conditions, addressing long-standing industry challenges [4][5] - The lifespan of the waterproofing layer using this new material is extended by 30% compared to conventional materials, demonstrating its durability under temperature variations [5] Group 3 - Beijing is actively promoting smart construction as part of its urban renewal efforts, with plans to advance around 300 old residential area renovation projects this year [6] - The exhibition also showcased various intelligent construction technologies, including robots for wall slotting and vibration, which enhance construction efficiency and safety [7] - The integration of digital technologies such as big data, cloud computing, and IoT into construction processes is transforming the traditional building materials industry [7][8]

Group 1 - The article highlights the innovative technologies showcased at the 2025 Service Trade Fair, particularly focusing on solutions for urban renewal and the modernization of old residential areas [2][3] - Urban renewal is shifting from "incremental expansion" to "quality enhancement," emphasizing the importance of improving living conditions and community infrastructure [3] - The exhibition features successful case studies in urban renewal, including the transformation of old residential areas and the integration of green building materials and modular renovation technologies [3] Group 2 - A new waterproofing material, "Waterproof Star," developed by Beijing Construction Municipal Engineering Research Institute, allows for fire-free, quick application, significantly reducing construction time and increasing durability [4][6] - The "Waterproof Star" material boasts double the adhesion strength compared to traditional materials and a 30% higher elongation rate, making it suitable for various substrates and conditions [6][7] - The material has been successfully applied in multiple projects, reducing construction time by nearly 50% and extending the waterproofing lifespan by 30% compared to conventional options [7][8] Group 3 - Beijing is actively promoting smart construction and technological innovation in urban renewal, with plans to advance around 300 old residential area renovation projects this year [8] - The exhibition also showcased various intelligent construction technologies, including emergency response systems and robotic equipment, indicating a significant shift towards automation in the construction industry [9] - The integration of digital technologies such as big data, cloud computing, and IoT into construction processes is enhancing operational efficiency and decision-making [9]