资金流向方面，主力资金净流入53.64万元，特大单买入164.85万元，占比2.99%，卖出121.95万元，占 比2.22%；大单买入1067.40万元，占比19.39%，卖出1056.66万元，占比19.19%。 三维化学今年以来股价涨23.62%，近5个交易日涨0.47%，近20日跌1.27%，近60日涨3.02%。 今年以来三维化学已经1次登上龙虎榜，最近一次登上龙虎榜为4月24日，当日龙虎榜净买入-3125.94万 元；买入总计1.81亿元 ，占总成交额比11.81%；卖出总计2.12亿元 ，占总成交额比13.85%。 资料显示，山东三维化学集团股份有限公司位于山东省淄博市临淄区炼厂中路22号，成立日期1994年11 月18日，上市日期2010年9月8日，公司主营业务涉及工程设计及工程总承包;催化剂的生产及销售。主 营业务收入构成为：醛醇酸酯类47.60%，工程总承包32.77%，残液加工类9.99%，催化剂销售4.80%， 工程设计3.68%，醋酸丁酸纤维素类0.77%，其他0.38%。 11月3日，三维化学盘中上涨2.16%，截至10:58，报8.53元/股，成交5505.59万元，换手率1.0 ...

Investment Rating - The report maintains a "Buy" rating for the company [2][7] Core Insights - The company reported a significant increase in revenue and net profit for the first half of 2025, with revenue reaching 1.249 billion yuan, up 21.8% year-on-year, and net profit of 120 million yuan, up 42.5% year-on-year [5][6] - The engineering business has seen substantial growth, particularly from the Huajin project, which contributed significantly to revenue [6] - The company has a strong order backlog, with new orders signed amounting to 640 million yuan, a year-on-year increase of 60.2% [6] Financial Performance - In H1 2025, the company achieved a gross margin of 19.9% and a net margin of 19.0%, reflecting improvements in profitability [6] - The company’s total revenue for 2025 is projected to be 2.934 billion yuan, with net profits expected to reach 340 million yuan [9] - The earnings per share (EPS) for 2025 is estimated at 0.52 yuan, with a growth forecast of 29.3% year-on-year [7][9] Business Segments - The engineering segment reported a revenue increase of 483.5% year-on-year, while the design segment grew by 89.7% [6] - Chemical and other business segments experienced mixed results, with some categories like alcohol and aldehyde esters declining due to weak end-market demand [6] Future Outlook - The company is expected to benefit from the expansion of the Xinjiang coal chemical industry, which will drive future growth [6] - The production of isooctanoic acid is anticipated to contribute to new growth, with a projected output of 50,000 tons by the end of the year [6]