日月明：上半年实现营收4845.12万元

Core Insights - The company reported a revenue of 48.45 million yuan and a net profit of 21.86 million yuan for the first half of 2025, with inventory increasing by 93.89% to 20.34 million yuan compared to the end of 2024, attributed to increased stockpiling [1][2] Group 1 - The company focuses on the application research and product development of rail measurement and control technology, establishing several research and development platforms, including the "Jiangxi Provincial Railway Measurement and Control Technology Engineering Research Center" [1] - The company has built a strong core technology system through years of experience in the rail transit industry, maintaining a leading position in domestic technology levels [1][2] - The company has become one of the leading enterprises in the field of rail safety measurement and control through continuous technological innovation and active market expansion [1] Group 2 - The company's R&D investment remains high, with R&D expenses accounting for 9.60% of operating income, and it has obtained 5 new patent authorizations, including 4 invention patents [2] - As of June 30, 2025, the company holds a total of 84 patent authorizations, including 34 invention patents, 48 utility model patents, 2 design patents, and 25 software copyrights [2] - The company's main products, rail inspection instruments and rail measurement instruments, have been included in the "Technical Review Directory of Railway Special Measuring Instruments" by China Railway Corporation, achieving market access qualifications [2]