Group 1 - Chengyitong Control Technology Group Co., Ltd. was established in 2003 and successfully listed on the Shenzhen Stock Exchange in 2015, specializing in intelligent manufacturing system solutions for the biopharmaceutical industry and rehabilitation medical equipment manufacturing [1] - The company has experienced a decline in stock price, with a cumulative drop of -7.15% over four consecutive trading days as of August 21 [1] - In the second quarter of this year, GF Fund's GF Jufeng Mixed A Fund increased its holdings in Chengyitong, achieving a year-to-date return of 22.52%, ranking 1819 out of 4492 in its category [1] Group 2 - The manager of GF Jufeng Mixed A Fund is Su Wenjie, who has a background in industry research and has been with GF Fund since 2015 [3][4] - Su Wenjie has managed various funds, including GF Resource Selection Stock Fund and GF Carbon Neutral Theme Mixed Fund, and has been appointed to manage multiple funds in the coming years [4] - GF Fund Management Co., Ltd. was established in August 2003, with major shareholders including GF Securities Co., Ltd. holding 54.53% [4]

Group 1 - The core viewpoint of the article highlights the significant losses faced by investors in the Guangfa Growth Power three-year holding period mixed securities investment fund, with losses exceeding 50% since its inception [1][8] - The fund was launched on July 26, 2022, under the management of renowned fund manager Zheng Chengran, who previously managed a fund with a cumulative return of over 220% [1][3] - Zheng Chengran's investment strategy focuses on analyzing supply and demand dynamics to identify upward turning points for active allocation, aiming to capture the fastest growth phases in cyclical industries [5][12] Group 2 - Despite the initial success, many funds managed by Zheng Chengran, including Guangfa Xingcheng Mixed and Guangfa Chengxiang Mixed, have also experienced significant declines, with losses exceeding 50% [11] - The management scale of Guangfa Fund has decreased from 421.74 billion yuan in Q2 2021 to 148.34 billion yuan in Q1 2025, indicating a substantial reduction in investor confidence [9] - The article notes that Zheng Chengran's previous success was linked to favorable market conditions and strategic investments in the renewable energy sector during a bull market from March 2020 to November 2021 [10]