Group 1 - The 2025 China International Service Trade Fair (CIFTIS) features award-winning humanoid robots from the recent World Humanoid Robot Games, attracting significant public interest [1][4] - The sports service section of the fair focuses on internationalization, professionalism, and marketization, showcasing new technologies and innovations in the sports industry [2] - The exhibition area spans 7,650 square meters, with over 60 offline exhibitors and more than 350 online exhibitors, including participation from over 40 international organizations [2] Group 2 - A new gel ice material, developed by a team from Beijing Institute of Technology, offers a cost-effective and energy-efficient alternative for ice rink construction, reducing energy consumption by over 50% [3] - The fair includes interactive experiences such as 5G+VR technology for sports like skiing and table tennis, allowing audiences to engage with professional-level data analysis services [2] - The event features robot soccer and free fighting competitions, showcasing autonomous robots that have previously competed in international events [4][5] Group 3 - There is a growing interest in robotics, particularly in applications for the elderly care sector, with expectations for significant advancements in the next 5 to 10 years [5] - Current challenges in robotics include the need for breakthroughs in battery technology to support longer operational times for robots in various applications [5]