通过天眼查大数据分析，中国石油化工股份有限公司共对外投资了256家企业，参与招投标项目5000 次，知识产权方面有商标信息45条，专利信息5000条，此外企业还拥有行政许可39个。 金融界消息 截至2025年4月28日收盘，中国石化（600028）报收于5.71元，上涨0.53%，换手率0.11%， 成交量101.50万手，成交金额5.79亿元。 来源：金融界 中国石化最新一期业绩显示，截至2024年报，公司营业总收入30745.62亿元、同比减少4.29%，归属净 利润503.13亿元，同比减少16.79%，扣非净利润480.57亿元，同比减少20.82%，流动比率0.779、速动比 率0.398、资产负债率53.17%。 天眼查商业履历信息显示，中国石油化工股份有限公司，成立于2000年，位于北京市，是一家以从事石 油、煤炭及其他燃料加工业为主的企业。企业注册资本12173968.9893万人民币，实缴资本8063382.8289 万人民币。公司法定代表人为马永生。 资金流向方面，今日主力资金净流入4207.47万元，占比成交额7.27%。其中，超大单净流入2629.33万 元、占成交额4.54%，大单净 ...

Core Viewpoint - China Petroleum & Chemical Corporation (Sinopec) has applied for a patent related to lithium-ion sieve adsorbents, indicating a focus on lithium extraction technology and potential advancements in the field [1] Group 1: Patent Application - The patent titled "A lithium-ion sieve adsorbent and preparation method, lithium-ion sieve adsorbent product, and lithium-ion adsorption separation method" was applied for on October 2023 [1] - The lithium-ion sieve adsorbent consists of 50-90% lithium-ion sieve, 1-20% single-atom catalyst, and additives including binders and optional additives [1] - The invention demonstrates excellent lithium-ion adsorption and separation capabilities, achieving high lithium extraction rates [1] Group 2: Industrial Application - The lithium-ion sieve adsorbent, when used with persulfate elution agents, enhances lithium recovery and minimizes manganese loss during the desorption or regeneration process [1] - The method provided for lithium-ion adsorption separation is described as simple, efficient, and effective for industrial applications [1] Group 3: Company Overview - China Petroleum & Chemical Corporation was established in 2000, primarily engaged in petroleum, coal, and other fuel processing industries, with a registered capital of approximately 12.17 billion RMB [2] - Sinopec has invested in 257 companies and participated in 5,000 bidding projects, holding 5000 patent records and 45 trademark records [2] - Sinopec's research arm, Sinopec Petroleum Chemical Research Institute, was founded in 2022 with a registered capital of 300 million RMB, focusing on research and experimental development [2]