The A-share PET copper foil sector declined during trading, with Tongguan Copper Foil falling nearly 10%, Yinglian Copper Foil falling nearly 8%, and Zhongyi Technology, Defu Technology, Longyang Electronics, Jingjia Copper Foil, and many other stock

2025-11-19

The A-share PET copper foil sector declined during trading, with Tongguan Copper Foil falling nearly 10%, Yinglian Copper Foil falling nearly 8%, and Zhongyi Technology, Defu Technology, Longyang Electronics, Jingjia Copper Foil, and many other stocks falling more than 5%, while Yuanchen Technology and others followed suit.