财务费用变动幅度为62.41%,原因:报告期财务利息收入和汇兑收益较上年同期减少。 所得税费用变动幅度为306.04%,原因:上年同期公司存在可弥补亏损。 经营活动产生的现金流量净额变动幅度为-82.84%,原因:购买商品、接收劳务支付的现金较上年同期增 加，报告期支付的各项税费及人工成本较上年增加。 据证券之星公开数据整理，近期沃顿科技（000920）发布2025年中报。截至本报告期末，公司营业总收 入8.8亿元，同比上升18.95%，归母净利润1.24亿元，同比上升27.81%。按单季度数据看，第二季度营 业总收入5.17亿元，同比上升27.66%，第二季度归母净利润7997.47万元，同比上升26.44%。本报告期 沃顿科技应收账款上升，应收账款同比增幅达46.91%。 本次财报公布的各项数据指标表现尚佳。其中，毛利率38.91%，同比增3.12%，净利率14.64%，同比增 7.97%，销售费用、管理费用、财务费用总计1.36亿元，三费占营收比15.44%，同比减6.02%，每股净资 产4.07元，同比增4.91%，每股经营性现金流0.05元，同比减82.84%，每股收益0.26元，同比增27.67% ...

Group 1: Business Overview - The company operates in three main business segments: core membrane business, membrane separation engineering, and plant fiber business [1] - The core membrane business includes the R&D, manufacturing, and sales of separation membrane products, with applications in over 130 countries [1] - The plant fiber business focuses on the development and sales of eco-friendly furniture and bedding products [1] Group 2: Revenue Contribution - In 2024, revenue from membrane products reached CNY 1.033 billion, accounting for 59.23% of total revenue [2] - Plant fiber products contributed CNY 449.7 million, representing 25.79% of total revenue [2] - Membrane separation engineering generated CNY 156 million, making up 8.95% of total revenue [2] Group 3: Product Performance - Industrial membranes constitute approximately 70% of the membrane business revenue [2] - The impact of U.S.-China tariff adjustments on membrane business exports is minimal, as direct exports to the U.S. represent a small portion of total revenue [2] Group 4: Contract Performance - From January to March 2025, the company signed new contracts for membrane separation engineering worth CNY 62.76 million [2]