8月20日主力资金净流出1358.60万元，近五个交易日累计净流出2794.88万元。从盘面观察，当日股价振 幅达3.51%，成交量424002手，成交总额8.12亿元。 风险提示：股市有风险，投资需谨慎。 截至2025年8月20日收盘，北化股份报19.16元，较前一交易日下跌1.08%。当日股价呈现震荡走势，盘 中出现快速反弹，13时00分报价19.34元，较前五分钟上涨超过2%，该时段成交金额达5.08亿元。 北化股份主营业务为硝化棉系列产品的研发、生产和销售，产品广泛应用于涂料、油墨、皮革等领域。 公司是兵器工业集团旗下重要化工企业，在特种化工材料领域具有较强技术实力。 ...

Group 1 - The stock price of Beihua Co., Ltd. closed at 17.66 yuan on August 7, down 1.45% from the previous trading day [1] - The trading volume on August 7 was 300,528 hands, with a transaction amount of 532 million yuan [1] - Beihua Co., Ltd. is primarily engaged in the research, production, and sales of nitrocellulose products, which are widely used in coatings, inks, and leather industries [1] Group 2 - On August 7, Beihua Co., Ltd. responded to investor inquiries on an interactive platform, stating that it has not received any news regarding asset injection from its controlling shareholder [1] - On the same day, the net outflow of main funds was 33.95 million yuan, accounting for 0.35% of the circulating market value [1] - Over the past five days, the cumulative net inflow of main funds was 76.23 million yuan, representing 0.79% of the circulating market value [1]