Securities Code: 301217
Securities Abbreviation: Tongguan Copper Foil
Announcement No.: 2026-033
Anhui Tongguan Copper Foil Group Co., Ltd.
Announcement on Abnormal Stock Trading Fluctuations
The Company and all members of the Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed, and that there are no false records, misleading statements, or major omissions.
Special Reminder:
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Anhui Tongguan Copper Foil Group Co., Ltd. (hereinafter referred to as the "Company") experienced a cumulative daily closing price deviation of ±30% over three consecutive trading days, with a cumulative deviation of 33.99% over three trading days. According to the "Trading Rules of Shenzhen Stock Exchange," this constitutes abnormal stock trading fluctuations.
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As of June 12, 2026, according to the latest data from China Securities Index Co., Ltd., the industry rolling P/E ratio for the "C39 Computer, Communication and Other Electronic Equipment Manufacturing" sector to which the Company belongs was 61.72 times, and the static P/E ratio was 67.63 times. As of June 15, 2026, the Company's rolling P/E ratio was 858.87 times, and the static P/E ratio was 2,251.65 times. The Company's P/E ratio is significantly higher than the average level of the "C39 Computer, Communication and Other Electronic Equipment Manufacturing" industry.
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The Company is primarily engaged in the research, development, manufacturing, and sales of high-precision electronic copper foil. Its main products are classified by application into PCB copper foil and lithium battery copper foil. According to the Company's self-inspection, its current production and operation activities are normal, and there have been no significant changes in the Company's recent operating conditions or internal and external operating environment. The Company kindly reminds all investors to invest rationally and pay attention to investment risks.