Core Viewpoint - Delinhai, a leading enterprise in blue-green algae management, reported stable revenue with significant profit growth in Q3 2025, indicating strong market demand and operational efficiency [2][3]. Financial Performance - For the first three quarters of 2025, Delinhai achieved revenue of 293 million yuan, remaining flat year-on-year; net profit attributable to shareholders was 45.64 million yuan, up 61.87% year-on-year, while net profit after deducting non-recurring gains and losses increased by 66.45% to 36.40 million yuan [2]. - In Q3 alone, the company reported revenue of 185 million yuan, a year-on-year increase of 94.96%; net profit attributable to shareholders surged to 48.73 million yuan, reflecting a 1323% increase; net profit after deducting non-recurring gains and losses rose by 1540% to 47.13 million yuan [2]. Business Operations - Delinhai specializes in comprehensive solutions for the internal management of eutrophication in lakes and reservoirs, providing equipment, installation, and operational services, establishing itself as a top player in the domestic blue-green algae management sector [2]. - The company has completed significant projects, including the design and construction of the Qiluo Lake blue-green algae control project and the procurement of deep well algae control equipment for Yixing City, both of which received market recognition [2][3]. Order Backlog - As of the report date, Delinhai has an order backlog of approximately 501 million yuan, including government procurement projects for blue-green algae removal in Dianchi Lake and various engineering projects [3]. Technological Innovations - The company employs physical pressure control technology to restore the self-purification ability of polluted water bodies and integrates ecological restoration with smart monitoring to enhance the sustainable use of water resources [3]. - Delinhai has innovated a circular model in its precision dredging business, transforming organic waste into high-value organic fertilizers through earthworm processing [3]. International Expansion - Delinhai has made strides in international markets, particularly in Northeast Asia, by signing a memorandum of understanding with H2O Innovation to promote localized improvements of its algae control technology in South Korea [3][4]. - The company showcased its core technologies and performance-based governance models to South Korean officials, laying the groundwork for future international business expansion [4].

Core Viewpoint - Derin Hai (688069) is facing significant challenges, including a major shareholder's plan to reduce holdings and ongoing financial losses, particularly due to litigation related to the Xingyun Lake project [2][3][4]. Group 1: Shareholder Actions - On May 15, 2024, Derin Hai announced that shareholder Chen Hong, holding 7.88% of the company, plans to reduce holdings by up to 3% of the total share capital, equating to a maximum of 339,000 shares over three months [2]. - Chen Hong previously reduced holdings in November 2024, selling 2.2 million shares at 14 CNY per share, totaling 30.8 million CNY [2]. Group 2: Financial Performance - Derin Hai has experienced a continuous decline in net profit since 2021, with net losses reported for both 2023 and 2024 [3]. - In 2024, the company reported revenues of 448 million CNY, a year-on-year increase of 44.62%, but a net loss of 86.1 million CNY, worsening from a loss of 13.4 million CNY in the previous year [3]. - The company attributed the losses primarily to the impact of litigation related to the Xingyun Lake project, leading to a provision for expected liabilities of 48.1 million CNY [3][4]. Group 3: Legal and Operational Challenges - Derin Hai is currently involved in a legal dispute regarding the Xingyun Lake project, with a first-instance court ruling against its subsidiary, which has since appealed [4]. - In Q1 2025, the company reported revenues of 46.4 million CNY, a 21.4% increase year-on-year, but net losses further expanded to 4.7 million CNY [4]. - The company noted that macroeconomic conditions have led to budget tightening in some regions, causing delays in business expansion and procurement orders, although no significant impact on operations has been reported [5].