美埃科技涨8.35%，成交额3.06亿元，近5日主力净流入-4040.43万

Core Viewpoint - The company Meiyai (China) Environmental Technology Co., Ltd. has shown significant growth in its stock performance and is positioned as a leader in the domestic semiconductor cleanroom equipment market, particularly in air purification products [1][3]. Company Overview - Meiyai specializes in the research, production, and sales of air purification products and atmospheric environmental governance products, with a primary revenue contribution of 90.18% from cleanroom air filtration and clean wall and ceiling systems [3][7]. - The company was awarded the national-level "specialized and innovative" title of "little giant" at the end of 2021, establishing itself as a leading domestic brand in the semiconductor cleanroom equipment sector [3]. Financial Performance - For the period from January to September 2025, Meiyai achieved a revenue of 1.486 billion yuan, representing a year-on-year growth of 23.64%, while the net profit attributable to shareholders was 141 million yuan, showing a decrease of 5.17% compared to the previous year [7][8]. - The company has distributed a total of 80.64 million yuan in dividends since its A-share listing [9]. Market Position and Supply Chain - Meiyai has developed the first domestic 28nm lithography equipment and provides essential products such as ultra-thin equipment-end fan filter units (EFU) and ultra-low penetration air filters (ULPA) to meet international cleanliness standards [2]. - The company has been a long-term supplier to SMIC, providing high-efficiency filters and chemical filters for various product lines, including the advanced 14nm and 28nm processes [2]. Stock Market Activity - On January 5, the stock price of Meiyai increased by 8.35%, with a trading volume of 306 million yuan and a turnover rate of 3.68%, leading to a total market capitalization of 8.472 billion yuan [1]. - The stock has shown a net inflow of 20.41 million yuan from major investors, indicating a lack of clear trends in major holdings [4][5].