Group 1 - The delegation of national labor models and skilled craftsmen arrived in Hong Kong for a four-day exchange visit, organized by the Hong Kong SAR government [1] - The delegation is led by Wei Dichun, Vice Chairman of the All-China Federation of Trade Unions, and includes seven outstanding laborers from various strategic sectors such as high-end manufacturing, artificial intelligence, finance, shipping, culture, sports, and catering [1] - The Hong Kong SAR government expressed anticipation for the delegation's stories of struggle and success, highlighting their contributions to national prosperity and social progress [1] Group 2 - Gao Fenglin, a labor model from China Aerospace Science and Technology Corporation, emphasized the importance of collaboration between Hong Kong and the mainland in advancing national aerospace and technology projects [2] - The delegation's activities in Hong Kong include sharing experiences with local labor representatives, interacting with vocational training students and WorldSkills Hong Kong team members, engaging with community members, and visiting key locations such as the Legislative Council and Cyberport [2]