SQM(SH:688138) Xin Lang Cai Jing·2025-10-30 07:11Core Viewpoint - On October 30, Qingyi Optoelectronics experienced a decline of 5.03%, with a stock price of 28.33 CNY per share, a trading volume of 155 million CNY, a turnover rate of 1.70%, and a total market capitalization of 8.918 billion CNY [1]. Company Overview - Qingyi Optoelectronics, established on August 25, 1997, and listed on November 20, 2019, is located in Nanshan District, Shenzhen, Guangdong Province. The company specializes in the research, design, production, and sales of photomasks [1]. - The revenue composition of Qingyi Optoelectronics is as follows: quartz photomasks account for 93.16%, soda photomasks for 6.04%, other supplementary products for 0.72%, and other products for 0.08% [1]. Shareholder Information - Among the top ten circulating shareholders of Qingyi Optoelectronics, a fund under Dacheng Fund ranks as a significant holder. The Dacheng Science and Technology Innovation Mixed Fund (LOF) A (501079) entered the top ten circulating shareholders in the second quarter, holding 672,600 shares, which represents 0.25% of the circulating shares. The estimated floating loss today is approximately 1.009 million CNY [2]. - The Dacheng Science and Technology Innovation Mixed Fund (LOF) A (501079) was established on July 18, 2019, with a current scale of 591 million CNY. Year-to-date returns are 33.11%, ranking 2962 out of 8152 in its category; the one-year return is 45.8%, ranking 1432 out of 8038; and since inception, the return is 222.17% [2]. Fund Management - The fund manager of the Dacheng Science and Technology Innovation Mixed Fund (LOF) A (501079) is Wang Shuai. As of the report date, Wang has served for 3 years and 335 days, with the fund's total asset size at 1.205 billion CNY. The best fund return during his tenure is 70.5%, while the worst return is -20.92% [3].