Group 1 - The core viewpoint of the article is that Huaxin Environmental (301265) is actively engaged in resource utilization of waste materials to produce valuable metals and materials [1] Group 2 - Huaxin Environmental's wholly-owned subsidiary, Huaxin Guijin (Inner Mongolia) Environmental Technology Co., Ltd., is involved in the resource utilization of waste ternary catalysts and waste industrial catalysts, resulting in the production of platinum, palladium, and rhodium [1] - The controlling subsidiary, Anhui Huaxin Jintong Environmental Technology Co., Ltd., focuses on the resource utilization of waste circuit boards, producing cathode copper and high-value-added anode mud (containing precious metals) [1] - The Huaxin Guijin project has already been put into production, while the Huaxin Jintong project is currently under construction [1]