300594，实控人被立案

Group 1 - The core point of the news is that Langjin Technology (stock code: 300594) and its actual controller Li Jingmao are under investigation by the China Securities Regulatory Commission (CSRC) for suspected violations of information disclosure laws [1][5]. - Langjin Technology reported a 10.88% year-on-year decline in revenue for the first half of 2025, amounting to 340 million yuan, while the net profit attributable to shareholders increased by 106.77% to 1.4764 million yuan [5]. - The company stated that it will actively cooperate with the CSRC during the investigation and maintain communication with regulatory authorities, asserting that the investigation will not adversely affect its production, operations, or management [5]. Group 2 - On August 27, Langjin Technology's stock price fell by 3.86%, closing at 19.68 yuan per share, with a market capitalization of 1.8 billion yuan [6][7]. - The company specializes in the research, production, sales, and after-sales maintenance of air conditioning systems for rail transit vehicles, new energy vehicles, intelligent thermal management products, air energy heat pump drying equipment, and digital energy intelligent environmental control products [5].