Group 1 - The 21st China (Shenzhen) International Cultural Industries Fair showcased Shandong's "Digital Heritage Discovery" section, highlighting the application of digital technology in ancient book restoration, cultural relic protection, and archaeology [2][4] - A prominent feature was a deacidification machine that effectively protects paper artifacts by removing acidic substances, which can cause paper to become brittle over time [2][3] - The deacidification process is likened to a deep SPA for paper, utilizing a water-free deacidification solution that prevents damage to the paper's structure and ink [2][3] Group 2 - A paper pulp repair machine demonstrated the ability to efficiently restore damaged paper artifacts, significantly improving restoration speed compared to manual methods [3][4] - The machine can repair a severely damaged ancient book in under 20 minutes, while manual restoration typically takes a day for only 10 to 20 pages [3] - Shandong's rich archaeological resources were highlighted by digitally reconstructing the Dingtao Wangling Han Tomb excavation site, allowing visitors to experience archaeology in an immersive way [4] Group 3 - The newly established Shandong Digital Culture Group presented a comprehensive cultural model integrating historical figures, cultural classics, and heritage resources, aiming to enhance cultural tourism and education [4] - Advanced technologies were used to recreate the details of Tang dynasty paintings, providing an immersive experience of historical art [4]