铜冠铜箔成交额创上市以来新高

Group 1 - The core point of the article highlights that Tongguan Copper Foil has achieved a record trading volume of 2.874 billion RMB, marking a new high since its listing [2] - The latest stock price of Tongguan Copper Foil has increased by 20.01%, with a turnover rate of 9.04% [2] - The previous trading day saw a total trading volume of 1.805 billion RMB for the stock [2] Group 2 - Anhui Tongguan Copper Foil Group Co., Ltd. was established on October 18, 2010, with a registered capital of 8.29015544 billion RMB [2]