DING LONG(SZ:300054) Xin Lang Cai Jing·2025-10-24 07:03Core Viewpoint - Dinglong Co., Ltd. experienced a stock price increase of 5.13%, reaching 34.65 CNY per share, with a trading volume of 665 million CNY and a turnover rate of 2.65%, resulting in a total market capitalization of 32.802 billion CNY [1] Company Overview - Dinglong Co., Ltd. is located in Wuhan Economic and Technological Development Zone, Hubei Province, and was established on July 11, 2000, with its listing date on February 11, 2010 [1] - The company's main business involves general printing and copying consumables and optoelectronic semiconductor process materials, with 99.47% of its revenue coming from semiconductor materials, chips, and printing consumables, while other sources contribute 0.53% [1] Fund Holdings - According to data from the top ten heavy stocks of funds, Shangzheng Fund has one fund heavily invested in Dinglong Co., Ltd. The Shangzheng Research Selected Mixed Initiation A (023397) held 28,000 shares in the second quarter, accounting for 7.54% of the fund's net value, making it the fourth-largest heavy stock [2] - The fund has generated an estimated floating profit of approximately 47,300 CNY today [2] Fund Manager Performance - The fund manager of Shangzheng Research Selected Mixed Initiation A (023397) is Zhang Zhimei, who has been in the position for 7 years and 324 days, managing a total fund size of 429 million CNY, with the best fund return during the tenure being 121.21% and the worst being -28.28% [3] - Co-manager Li Rui has been in the role for 249 days, managing a fund size of 10.6467 million CNY, with a best return of 34.72% and a worst return of 1.14% during his tenure [3]