Group 1 - The Harbin Municipal Commission for Discipline Inspection and Supervision organized a "Group Learning Exchange" seminar to share experiences related to case handling, focusing on fact verification and evidence review [2] - The Commission emphasizes targeted training for different levels of personnel, including specialized training for young cadres and those in key positions, to enhance their professional capabilities [2][3] - A "Business Foundation Consolidation Class" has been established for new young cadres, incorporating a mentorship system where experienced staff provide one-on-one or group guidance [2] Group 2 - The Commission conducts a "Business Lecture Hall" for all municipal discipline inspection and supervision cadres, focusing on legal education and practical case studies to improve understanding and application of party discipline and regulations [3] - Cadres are also assigned to investigate significant cases through practical training and job rotation, enhancing their skills in real-world scenarios [3]