国家知识产权局信息显示，中国石油化工股份有限公司取得一项名为"脱氢催化剂及制备方法与应用以 及丁烯氧化脱氢制丁二烯的方法"的专利，授权公告号CN119972071B，申请日期为2023年11月。 天眼查资料显示，中国石油化工股份有限公司，成立于2000年，位于北京市，是一家以从事石油和天然 气开采业为主的企业。企业注册资本12173968.9893万人民币。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269家企业，参与招投标项目5000次，财产线索方面有商标信息45条，专利 信息5000条，此外企业还拥有行政许可41个。 声明：市场有风险，投资需谨慎。本文为AI基于第三方数据生成，仅供参考，不构成个人投资建议。 来源：市场资讯 中石化（上海）石油化工研究院有限公司，成立于2022年，位于上海市，是一家以从事研究和试验发展 为主的企业。企业注册资本49800万人民币。通过天眼查大数据分析，中石化（上海）石油化工研究院 有限公司共对外投资了2家企业，参与招投标项目2837次，专利信息873条，此外企业还拥有行政许可 133个。 ...

Core Business - The company focuses on providing comprehensive technical solutions based on chemical process package technology, including basic research experiments, process route and catalyst development, technical licensing, technical services, chemical equipment design and manufacturing, and new material technology development and preparation [3]. Company Overview - Changzhou Ruihua Chemical Engineering Technology Co., Ltd. was established in 2007 and underwent a share reform in 2017, with plans to be listed on the Beijing Stock Exchange in 2024. It is recognized as a leading provider of petrochemical technology in China [3]. - The company has successfully industrialized its self-developed technologies, including ethylbenzene/styrene complete technology, epoxy propane/styrene co-production technology, and poly styrene complete technology, achieving domestic leadership in low energy consumption and stable operation [3]. Collaborations and Partnerships - The company has established strong cooperative relationships with numerous large state-owned and private petrochemical enterprises, including Sinopec, Zhejiang Petrochemical, and Dongming Petrochemical, as well as with well-known patent holders and design institutes such as Honeywell UOP and Sulzer [3]. Subsidiaries - Changzhou Ruikai Chemical Equipment Co., Ltd., established in 2014, is a wholly-owned subsidiary of Changzhou Ruihua, recognized as a national high-tech enterprise. It specializes in high-end equipment manufacturing and has a production facility covering over 36,800 square meters [5]. - Shandong Ruilun New Materials Technology Co., Ltd., established in July 2021, is another wholly-owned subsidiary with a registered capital of 250 million yuan and a planned total investment of 2.5 billion yuan. It focuses on the research and production of catalysts and high-end polymers [6].