铜冠铜箔(301217.SZ)：HVLP5代铜箔已突破关键性能指标
TGCF(SZ:301217) Ge Long Hui·2025-09-04 08:53Group 1 - The company, Tongguan Copper Foil (301217.SZ), announced on the investor interaction platform that its HVLP 5th generation copper foil has achieved breakthrough performance indicators [1]