Group 1 - The fourth China-Africa Economic and Trade Expo showcases the integration of technology in China-Africa cooperation, highlighting advancements such as the AI transparent screen developed by iFlytek for language translation [1][2] - The expo features various exhibits demonstrating the achievements in industrialization and agricultural modernization, including a meteorological project in the Democratic Republic of the Congo that enhances disaster prevention and climate change response capabilities [2][3] - The Africa undersea cable project, part of the Belt and Road Initiative, is set to improve international connectivity for 3 billion users, reflecting the role of digital economy and technology in accelerating modernization in African countries [2] Group 2 - African nations are seeking modernization paths that align with their unique circumstances, which is crucial for poverty reduction and enhancing self-development capabilities [3] - The expo highlights the increasing willingness of Chinese companies to invest in Africa, with private enterprises emerging as key players in technology-driven cooperation [3] - Companies like Feiyi Co. are showcasing their green filling technology for mining, which aligns with the resource-rich needs of African countries, aiming to promote sustainable development in the mining sector [3]