三川智慧：控股子公司天和永磁主要从事稀土资源回收利用业务

Group 1 - The core viewpoint of the article is that San Chuan Wisdom (300066) is actively involved in the rare earth resource recycling business through its subsidiary Tianhe Yongci [1] - The main products of the company include praseodymium-neodymium oxide, dysprosium oxide, terbium oxide, gadolinium oxide, and holmium oxide [1] - All of these products are sold in the domestic market, with no exports reported [1]