MAYAIR(SH:688376) ZHESHANG SECURITIES·2025-09-29 23:31Market Overview - On September 29, the Shanghai Composite Index rose by 1.54%, the STAR Market 50 Index increased by 1.35%, the CSI 1000 Index went up by 1.36%, the ChiNext Index surged by 2.74%, and the Hang Seng Index climbed by 1.89% [2][3]. - The best-performing sectors on September 29 were non-bank financials (+3.84%), non-ferrous metals (+3.78%), electric power equipment (+3.07%), steel (+2.49%), and comprehensive sectors (+1.82%). The worst-performing sectors included coal (-0.84%), banking (-0.46%), social services (-0.24%), oil and petrochemicals (-0.22%), and beauty care (-0.05%) [2][3]. Key Recommendations - The report focuses on Meier Technology (688376), a leader in air purification equipment, highlighting growth opportunities in semiconductor and lithium battery applications. The projected revenue for 2025-2027 is 2,273 million, 2,936 million, and 3,546 million yuan, with revenue growth rates of 32%, 29%, and 21% respectively. The net profit attributable to the parent company is expected to be 269 million, 355 million, and 425 million yuan, with net profit growth rates of 40%, 32%, and 20% respectively. Earnings per share are forecasted to be 2.00, 2.64, and 3.16 yuan, with price-to-earnings ratios of 26, 20, and 17 times [4]. - Catalysts for growth include progress in overseas expansion with semiconductor clients and the development of lithium battery clients [4]. - The investment logic is based on the opportunities presented by solid-state batteries and semiconductors for the cleanroom leader, with potential for applications exceeding expectations [4].