TGCF(SZ:301217) Jin Rong Jie·2025-08-07 13:32Group 1 - Copper Crown Copper Foil has experienced a decline for seven consecutive trading days, with a cumulative drop of -11.09% [1] - Anhui Copper Crown Copper Foil Group Co., Ltd. is a high-tech enterprise in electronic materials, established by Tongling Nonferrous Metals Group Co., Ltd. and Hefei Guoxuan High-tech Power Energy Co., Ltd. [1] - The company has two wholly-owned subsidiaries: Hefei Copper Crown Electronic Copper Foil Co., Ltd. and Tongling Copper Crown Electronic Copper Foil Co., Ltd. [1] Group 2 - Southern Fund's Southern CSI 1000 ETF is among the top ten shareholders of Copper Crown Copper Foil and has reduced its holdings in the second quarter of this year [1] - The Southern CSI 1000 ETF has achieved a year-to-date return of 16.36%, ranking 610 out of 2519 in its category [2] Group 3 - The fund manager of Southern CSI 1000 ETF is Ms. Cui Lei, who has a master's degree in financial engineering from Cornell University and holds qualifications as a Financial Risk Manager (FRM) and Chartered Financial Analyst (CFA) [3][4] - Ms. Cui Lei has been with Southern Fund since February 2015 and has held various positions, including manager for multiple ETFs [3][4]