沪电股份：公司已陆续投入酸碱性蚀刻废液回收设施、低铜电解回收设施等

Core Viewpoint - The company emphasizes the importance of resource recycling and utilization in the PCB industry, considering it a crucial measure for resource conservation and efficiency improvement [1] Group 1: Company Initiatives - The company has invested in various recycling facilities, including those for acid and alkaline etching waste liquid, low copper electrolysis, copper powder, waste PCB crushing, gold and silver electrolysis, and resin recovery [1]