铜冠铜箔20.02%涨停，总市值245.89亿元

Group 1 - The stock of Copper Crown Copper Foil reached a limit increase of 20.02% on August 13, trading at 29.66 yuan per share with a transaction volume of 2.36 billion yuan and a turnover rate of 10.65%, resulting in a total market capitalization of 24.589 billion yuan [1] - Copper Crown Copper Foil is a high-tech enterprise located in Chizhou, Anhui Province, primarily engaged in the production of electronic copper foil, holding a significant position and reputation in the industry [1] - As of the end of 2021, the company's electronic copper foil production capacity was 45,000 tons per year, with an additional 10,000 tons under construction, making it one of the largest electronic copper foil producers in China [1] Group 2 - As of July 18, the number of shareholders for Copper Crown Copper Foil was 48,500, with an average of 4,724 circulating shares per person [2] - For the first quarter of 2025, Copper Crown Copper Foil achieved an operating income of 1.395 billion yuan, representing a year-on-year growth of 56.29%, and a net profit attributable to shareholders of 4.7515 million yuan, which is a year-on-year increase of 117.16% [2]