SQM(SH:688138) Xin Lang Cai Jing·2025-09-24 03:37Core Viewpoint - Qingyi Optoelectronics experienced a 5.03% increase in stock price, reaching 32.79 CNY per share, with a trading volume of 190 million CNY and a turnover rate of 2.22%, resulting in a total market capitalization of 10.322 billion CNY [1] Company Overview - Shenzhen Qingyi Optoelectronics Co., Ltd. is located in Nanshan District, Shenzhen, Guangdong Province, and was established on August 25, 1997. The company went public on November 20, 2019. Its main business involves the research, design, production, and sales of photomasks [1] - The revenue composition of the main business includes: quartz photomasks at 93.16%, soda photomasks at 6.04%, other supplementary products at 0.72%, and other products at 0.08% [1] Shareholder Information - Dazhong Fund has a fund that ranks among the top ten circulating shareholders of Qingyi Optoelectronics. The Dazhong Science and Technology Innovation Theme Mixed Fund (LOF) A (501079) entered the top ten circulating shareholders in the second quarter, holding 672,600 shares, which accounts for 0.25% of the circulating shares. The estimated floating profit today is approximately 1.056 million CNY [2] - The Dazhong Science and Technology Innovation Theme Mixed Fund (LOF) A (501079) was established on July 18, 2019, with a latest scale of 523 million CNY. Year-to-date returns are 19.29%, ranking 4381 out of 8173 in its category; the one-year return is 58.73%, ranking 2439 out of 7996; and the return since inception is 188.74% [2]