Group 1 - The core point of the article is the appointment of Tang Jiajing as the secretary of the board of directors to enhance internal operational management efficiency at Sandamembrane [1] - For the year 2024, the revenue composition of Sandamembrane is as follows: membrane technology applications account for 53.09%, water investment and operation account for 42.1%, and construction revenue accounts for 4.81% [1] - As of the report date, Sandamembrane has a market capitalization of 5.5 billion yuan [1]

Core Viewpoint - The company SanDa Membrane (688101.SH) reported stable growth in revenue and net profit for the first half of 2025, indicating a positive performance in membrane technology applications and water investment operations [1] Financial Performance - The company achieved operating revenue of 717 million yuan, representing a year-on-year increase of 6.53% [1] - The net profit attributable to shareholders was 195 million yuan, reflecting a year-on-year growth of 21.39% [1] - The net profit attributable to shareholders after deducting non-recurring gains and losses was 180 million yuan, with a year-on-year increase of 25.26% [1] - Basic earnings per share were reported at 0.59 yuan [1] Business Segments - Revenue from membrane technology applications and water investment operations showed stable growth during the reporting period [1]