Group 1 - The American Hockey Association delegation visited Heilongjiang to discuss the development of ice hockey in both China and the U.S. [1] - The delegation's visit lasted from June 17 to June 26, during which they engaged in discussions with local sports authorities and participated in training and friendly matches [2] - Heilongjiang is recognized as the birthplace of ice hockey in China, with a history spanning over 70 years [2] Group 2 - The delegation toured various training facilities at Heilongjiang Ice and Snow Sports Vocational College, including ice hockey training areas and an artificial intelligence lab [2] - There are plans for international cooperation between Heilongjiang Ice and Snow Sports Vocational College and the University of Wisconsin, focusing on teacher exchanges and joint curriculum development [2] - The visit is expected to enhance sports diplomacy and foster deeper exchanges between Heilongjiang and the U.S. in the field of ice hockey [2]