诚益通连跌4天，广发基金旗下1只基金位列前十大股东

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]