*ST清研：2025年以来，公司将业务拓展至固废、危废处理及资源化利用业务

Group 1 - The company is currently focusing on solidifying its existing rapid biochemical wastewater treatment business while expanding into solid waste, hazardous waste treatment, and resource utilization businesses starting from 2025 [2] - The company encourages stakeholders to pay attention to the details of these developments in future periodic reports [2]