ZAISHENG TECHNOLOGY(SH:603601) GOLDEN SUN SECURITIES·2025-05-05 11:28Investment Rating - The report maintains a "Buy" rating for the company [4] Core Views - The company achieved a revenue of 1.476 billion yuan in 2024, a year-on-year decline of 10.87%, but a 12.9% increase when excluding the impact of Yuyuan Environment [1] - The net profit attributable to shareholders for 2024 was 90.75 million yuan, a significant increase of 137.99%, driven by a reduction in asset impairment losses and a substantial increase in investment income [1] - The company has a comprehensive layout in the clean air materials and dust-free air conditioning business, leveraging its material advantages [1][2] Financial Performance Summary - In 2024, the clean air materials segment generated 537 million yuan, down 2.17% year-on-year, while the dust-free air conditioning products segment saw a 70.2% decline, but grew 39.67% when excluding Yuyuan Environment [2] - The high-efficiency energy-saving segment reported a revenue of 776 million yuan, up 19.11% year-on-year, benefiting from expansion in the green building and home appliance markets [2] - The overall gross margin for 2024 was 21.96%, with a slight increase, while the gross margin for the clean air materials segment improved significantly due to a higher proportion of high-value PTFE materials [2] - Operating cash flow for 2024 was 224 million yuan, a substantial increase from 1.66 million yuan in the previous year, indicating improved cash collection [3] Profit Forecast and Investment Suggestion - The company is expected to achieve net profits of 100 million yuan, 120 million yuan, and 140 million yuan for 2025, 2026, and 2027 respectively, with corresponding P/E ratios of 37X, 30X, and 25X [3]