南京聚隆跌2.01%，成交额2887.95万元，主力资金净流出411.80万元

Core Viewpoint - Nanjing Julong Technology Co., Ltd. has shown significant stock price fluctuations and financial performance, with a notable increase in revenue and net profit year-on-year, indicating potential growth opportunities in the polymer materials sector [1][2]. Financial Performance - As of September 19, 2023, Nanjing Julong achieved a revenue of 1.257 billion yuan for the first half of 2025, representing a year-on-year growth of 25.75% [2]. - The company's net profit attributable to shareholders reached 57.3644 million yuan, marking a year-on-year increase of 40.73% [2]. - Cumulatively, the company has distributed 152 million yuan in dividends since its A-share listing, with 69.8396 million yuan distributed over the past three years [3]. Stock Market Activity - On September 23, 2023, Nanjing Julong's stock price decreased by 2.01%, trading at 35.61 yuan per share, with a total market capitalization of 3.916 billion yuan [1]. - The stock has increased by 64.75% year-to-date, but has seen a decline of 4.38% over the last five trading days and 6.80% over the last 20 days [1]. - The company has appeared on the "Dragon and Tiger List" once this year, with a net buy of 38.8372 million yuan on July 17, 2023 [1]. Business Overview - Nanjing Julong, established on April 27, 1999, specializes in the research, production, and sales of polymer materials and composite materials [2]. - The main revenue sources include modified engineering plastics (45.34%), modified general plastics (35.59%), and other materials [2]. - The company operates within the basic chemical industry, specifically in the plastic and modified plastic sectors, and is involved in various concept sectors such as railway infrastructure and aerospace [2]. Shareholder Information - As of September 19, 2023, the number of shareholders increased to 22,200, with an average of 3,953 circulating shares per person, a decrease of 3.62% from the previous period [2].