行业“黑马”青山纸业6天5板！光电子业务能否撑起第二增长曲线？

Core Viewpoint - Qingshan Paper's stock has experienced significant upward movement, achieving five consecutive trading days of limit-up, attracting market attention amidst a challenging industry environment [2][5]. Group 1: Company Performance - Qingshan Paper, a state-controlled listed company primarily engaged in pulp and paper production, has seen its stock price surge due to notable advancements in its diversified business, particularly in the optoelectronics sector [3][6]. - The company's subsidiary, Shenzhen Hengbao Tong Optoelectronics Co., Ltd. (Hengbao), successfully turned a profit, with its main business revenue reaching 91.05 million yuan and a profit of 21.79 million yuan in the first half of 2025, marking a substantial year-on-year increase of 61.85% [6][7]. Group 2: Market Context - Despite the overall decline in the domestic paper industry, with a 2.3% drop in revenue and a 21.4% decrease in total profit in the first half of 2025, Qingshan Paper's stock has defied the trend, largely due to its successful optoelectronics business [5][6]. - The company is advancing in the optoelectronics field, with 400G optical modules entering small batch trial production and 800G optical modules completing design and entering sample trial production [7]. Group 3: Investor Sentiment - Investors have shown keen interest in Qingshan Paper's involvement in the optical module sector, with numerous inquiries regarding the company's performance and technological capabilities in this area [6][8]. - The company has issued a risk warning regarding its stock price volatility and high turnover rate, urging investors to make rational investment decisions [8].