A股PET铜箔板块震荡上行，铜冠铜箔、利元亨均涨超6%，中一科技、双星新材、三孚新材等跟涨。

Group 1 - The A-share PET copper foil sector is experiencing a volatile upward trend, with companies like Tongguan Copper Foil and Liyuanheng both rising over 6% [1] - Other companies such as Zhongyi Technology, Shuangxing New Materials, and Sanfu New Materials are also seeing increases in their stock prices [1]