Joint Review Meeting for the Preliminary Design of the 2.7 million tons/year, 6.05m Coke Oven Upgrade Project of Jinding Iron and Steel Group Coking Co., Ltd. (referred to as “Jinding Iron and Steel” or “the Company”)

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From the 11th to the 12th of the month, the joint review meeting for the preliminary design of the 2.7 million tons per year, 6.05m coke oven upgrade project of Jinding Iron and Steel Group Coking Co., Ltd. (referred to as “Jinding Iron and Steel” or “the Company”) was successfully held. Nine renowned experts in China’s coking industry, including Wang Guanghua, a professor at Wuhan University of Science and Technology, and Ma Xibo, chairman of the Expert Committee of the China Coking Industry Association, were invited to attend the conference. Chen Litaao, Executive Director, Party Secretary, and Chairman of Fangtongzhou Holding Co., Ltd., along with Lang Ying, Deputy Party Secretary and President, and other senior company executives, attended the meeting. Technical expert teams from the three design institutes attended the meeting, including Yang Junfeng, Deputy General Manager of MCC Coking & Refractory (Dalian) Engineering Technology Co., Ltd.; Zhao Gangshan, General Manager of the Coking Department at Baosteel Engineering Technology Group Co., Ltd.; and Song Mingjiang, Deputy General Manager of Huatai Yongchuang (Beijing) Technology Co., Ltd. The meeting was chaired by Wei Songbo, the company’s chief engineer. Lang Ying delivered a speech at the first meeting. First of all, on behalf of Jinding Coking, he expressed his sincere gratitude to all the experts and leaders for their presence. He pointed out that the company, under the unified leadership of the group, formulated the 15th Five-Year Plan, outlining five strategic priorities: green development, low carbon emissions, high-end innovation, smart technologies, and collaboration. Although the 4 coke ovens with a diameter of 6.05m bear the weight of history, they require comprehensive technical upgrades due to insufficient design. It is hoped that experts will examine the design proposals from various perspectives such as cost-effectiveness, safety, technological advancement, and environmental sustainability, to ensure that the project, with the lowest possible investment, state-of-the-art technology, and the safest and most environmentally friendly solutions, can stand the test of time over a long period and drive the development of the industry. Finally, Lang Ying expressed the hope that experts would continue to pay attention to Jinding Coking, working together to turn the company into a benchmark enterprise in the coking industry and the field of steel-coking integration. On behalf of the expert team, Wang Guanghua said that work will be carried out by focusing on three core dimensions: First, attention will be paid to the process routes, with emphasis on key aspects such as the selection of coke ovens and the configuration of chemical product recovery systems; by combining the latest technical advancements and practical experience in the industry, the advancement and feasibility of the proposed solutions will be assessed ； Secondly, strict controls must be applied in terms of environmental protection; by referring to the **latest emission standards, the reliability of the processes for treating wastewater, exhaust gases, and solid waste is assessed to ensure that a green foundation is established from the design stage onward ； Thirdly, it is necessary to balance economic viability with practicality; while ensuring technological leadership, optimize the selection of equipment and the layout of the factory premises in order to maximize cost reduction and efficiency gains, so that every investment can be translated into tangible benefits. Yang Junfeng said that by leveraging proprietary core technologies for large-scale coke ovens and comprehensive engineering experience, the team will focus on three key aspects: advanced and reliable technology, economic feasibility, and green intelligence. By addressing critical areas such as low-carbon combustion, flue gas purification, intelligent control, and retrofits without shutting down operations, they will fully support the optimization of design solutions, while strictly controlling safety, investment costs, and project timelines. This approach aims to help create a benchmark project in the industry that is large-scale, green, and intelligent, thereby contributing to the high-quality transformation of the coking industry. Zhao Gangshan said that the strongest technical team will be assigned to address key issues such as limited space, congestion, and corrosion prevention, to carefully optimize the design, and to fully implement the recommendations of experts. By working closely in collaboration with various design firms and maintaining strong unity, we will strive to ensure long-term stable operation after commissioning, as well as easy maintenance; the system will be put into use without any defects or issues that require correction ； It has reached the leading level among similar domestic projects. With the overall leadership of the project owner and the joint efforts of all parties, Baosteel Engineering is confident and capable of helping to ensure the successful completion of the project and its efficient commissioning. Song Mingjiang said that the company is responsible for the preliminary design work related to the dry quenching of coke. It will carefully consider the opinions of experts and leaders, strictly adhere to relevant standards and the owner’s requirements, and uphold the principles of prioritizing safety, ensuring technical reliability, achieving energy efficiency, promoting environmental protection, and facilitating operation and maintenance. The design plans will be optimized step by step, and close cooperation will be maintained with companies such as MCC Coking & Refractory and Baosteel Engineering to ensure that the upgrade project for the 2.7 million tons per year, 6.05m coke ovens is carried out with high quality and efficiency. Chen Litao, Secretary of the Party Committee and Chairman of the company, delivered a speech at the final meeting. On behalf of the company, he expressed his heartfelt gratitude to all experts, design units, and all members of the project team. He also put forward three suggestions regarding the subsequent work on the project: First, he fully affirmed the results of the preliminary design, which is an excellent outcome that reflects great wisdom and hard work. He noted that this plan is the result of a strong collaboration among three top-tier design firms—MCC Metallurgical, Baosteel Engineering, and Huatai Yongchuang—and represents the industry’s leading standard. The project team’s professional attitude of working closely with the design firm and refining the work repeatedly is worthy of recognition. Second, we attach great importance to the experts’ review comments and strive to refine the design with a pursuit of excellence. He emphasized that the insightful opinions of experts are invaluable. He asked the project team to take overall leadership, to go through each expert’s suggestion in detail and create a \"implementation list\", and to apply a closed-loop management system based on the \"five-fixation table\" to ensure that every matter is addressed and there is a response to everything” ； The design agencies should take the initiative to assume responsibility, address each issue related to their respective sections one by one, ensure clarity in four aspects, and thus guarantee that the final design is more scientific, rigorous, and practical. Third, by setting clear goals and pooling efforts, we will make every effort to accelerate the transformation of the project from a \"blueprint\" into reality. He asked the design unit to continue playing a leading role, with MCC Coking & Refractory taking on full responsibility for overall coordination ； The company’s project team emphasizes its role as the \"client,\" with the president providing personal supervision and the chief engineer on site ； We will firmly uphold the standards related to safety and environmental protection, striving to turn this project into a benchmark and model for the green and low-carbon transformation of the coking industry across the country. During the meeting, the three design firms—MCC Coking, Baosteel Engineering, and Huatai Yongchuang—provided detailed introductions to the design aspects, technical features, and interface requirements related to coke oven renovation, gas purification, and dry quenching of coke. During the group review phase, the conference established separate session areas for three specialized categories: coke ovens, gas purification, and dry quenching of coke. The project teams from the construction units, the professionals in charge at the design institutes, and invited experts conducted in-depth discussions on key topics such as process routes, equipment selection, auxiliary systems, safety and environmental protection, as well as digitalization. The experts thoroughly examined the proposals for each category, raised questions, and provided specific suggestions regarding technical challenges and areas for improvement. After thorough discussion and rigorous evaluation, the expert panel unanimously agreed that the preliminary design of the project is well-founded and comprehensive, meets the requirements of **relevant laws, regulations, and industry policy standards, and approved it for approval. At the subsequent quadripartite meeting, the project owner, the main design institute, and the design agencies for each contract section provided responses and confirmations regarding the expert group’s suggestions as well as issues related to interfaces. MCC Coking & Refractory, part of the main design institute, clarified the overall requirements for the project design in the next phase, ensuring that the outcomes of the reviews were effectively transformed into guidelines for subsequent work.