三川智慧：中国南方稀土集团有限公司是公司控股子公司天和永磁持股16.81%的股东

Group 1 - The core point of the article is that San Chuan Wisdom (300066) has established a stable business cooperation with China Southern Rare Earth Group through its subsidiary Tianhe Yongci, which holds a 16.81% stake in the company [1] Group 2 - San Chuan Wisdom's interaction with investors highlights the importance of its relationship with China Southern Rare Earth Group, indicating a strategic partnership [1] - The stake held by China Southern Rare Earth Group in Tianhe Yongci signifies a significant investment and potential influence in the operations of San Chuan Wisdom [1] - The stable business cooperation is likely to enhance the operational capabilities and market positioning of San Chuan Wisdom within the rare earth industry [1]