The Supply Chain Management Branch hereby issues a procurement pre-announcement for the concentrated procurement of externally purchased coke for JISCO Group in June 2026. Qualified suppliers are invited to register. Details are as follows: I. Project Overview Project Name: Pre-announcement for Concentrated Procurement of Externally Purchased Coke for JISCO Group in June 2026 Procurement Entity: Supply Chain Management Branch Delivery Location: Hongxing Co., Ltd. storage and transportation yard and other designated locations at factories and mines Estimated Supply/Construction Start Date: May 18, 2026 Estimated Supply/Construction End Date: Jun 2026 Procurement Content: II. Registration Qualification Requirements 1 The registrant must be an independent legal entity within the People's Republic of China; the bidder shall have the capability to respond to the tender project. 2 The registrant shall not be a dishonest person subject to enforcement listed by the Supreme People's Court on the "Credit China" website or credit information sharing platforms at all levels. 3 The registrant may register for individual materials under the procurement content and shall specify the material code and name. 4 If the registrant is not a producer, it must upload the producer's authorization letter and authorization period, the resource tax payment certificate of the mine enterprise, and the contact information of the producer. 5 If the registrant uses truck transportation at JISCO headquarters, all carrier vehicles shall be NEVs or vehicles meeting China VI vehicle emission standards. III. Registration Method Suppliers must respond to the pre-announcement within the above time frame by logging into the electronic tender and bid system (). Unregistered suppliers must first complete registration, then click "I Want to Register" on the corresponding procurement pre-announcement and fill in the relevant information. IV. Registration Deadline May 16, 2026, 10:42 V. Communication and Feedback 1 If the registrant has any questions regarding this pre-announcement, inquiries may be directed to the procurement contact person. Contact person: Chai Shuai, Tel: 18693770993. VI. Queries and Complaints For queries and complaints regarding procurement activities, please send information to the mailbox of the Transaction Supervision Office of JISCO Group Trading Center (jyjds@jiugang.com), Tel: 0937-6713939. Related Attachments None Supply Chain Management Branch May 11, 2026 Click to view tender details:

According to China News Service, on April 16, at the plant of Jiuquan Iron and Steel (Group) Co., Ltd. in Jiayuguan City, Gansu Province, automated equipment was producing a new generation of zinc-aluminum-magnesium products. It was reported that the group assembled a specialized team to tackle zinc-aluminum-magnesium technology. Against the backdrop of formidable external technical barriers and the absence of batch production track records in China, the team spent six years of intensive efforts to produce China's first coil of zinc-aluminum-magnesium products with proprietary intellectual property rights. At the end of 2025, JISCO's new generation of zinc-aluminum-magnesium products was unveiled. This product category represents the most technically challenging variety in the hot-dip galv

According to China News Service, on April 16, at the plant of Jiuquan Iron and Steel (Group) Co., Ltd. in Jiayuguan City, Gansu Province, automated equipment was producing a new generation of zinc-aluminum-magnesium products. It was reported that the group assembled a specialized team to tackle zinc-aluminum-magnesium technology. Against the backdrop of formidable external technical barriers and the absence of batch production track records in China, the team spent six years of intensive efforts to produce China's first coil of zinc-aluminum-magnesium products with proprietary intellectual property rights. At the end of 2025, JISCO's new generation of zinc-aluminum-magnesium products was unveiled. This product category represents the most technically challenging variety in the hot-dip galvanizing industry. JISCO is the only company in China to have achieved large-scale batch production, filling the technological gap in related fields in China. The products have been successfully applied in highly corrosive environments such as cooling towers, motor housings, energy storage, and offshore PV, and have been exported to multiple countries including Thailand, the Philippines, and Argentina.

【SMM Steel】JISCO has launched the world's first integrated CSP® and hot strip mill (HSM) line in Jiayuguan. This upgrade doubled annual capacity to 4.5 million tons. Using SMS group's automation, the line synchronizes slab casting and rolling across different furnace types, enabling flexible production without halting previous operations. It merges CSP® short-process efficiency with HSM capabilities to stably produce higher-grade, quality steel, setting a new benchmark for automated, large-scale mill upgrades.

Advance Notice of Concentrated Procurement of Imported Inverters and Other Spare Parts in June by Hongxing Stock Co., Ltd. of JISCO Group The Supply Chain Management Branch is issuing an advance notice of concentrated procurement of imported inverters and other spare parts in June by Hongxing Stock Co., Ltd. of JISCO Group. Qualified suppliers are invited to participate in the registration. The details are as follows: I. Project Overview Project Name: Advance Notice of Concentrated Procurement of Imported Inverters and Other Spare Parts in June by Hongxing Stock Co., Ltd. of JISCO Group Procuring Entity: Supply Chain Management Branch Delivery Location: Metallurgical Plant Area of JISCO Group, Gansu Province Estimated Start Date of Supply/Construction: June 20, 2025 Estimated Completion Date of Supply/Construction: January 20, 2026 Procurement Contents: Click to view the contents II. Registration Qualification Requirements 1. The applicant must be an independent legal entity within the territory of the People's Republic of China. 2. The applicant must not be listed as a dishonest person subject to enforcement by the Supreme People's Court on the "Credit China" website or any credit information sharing platform at any level. 3. Producers are accepted for this procurement. III. Registration Method Suppliers must respond to the notice within the specified time frame and log in to the electronic tender and bid system ( https://eps.jiugangbid.com/ ). Unregistered suppliers must first complete the registration process, then click "I Want to Register" for the corresponding procurement notice and fill in the relevant information. IV. Registration Deadline 15:56 on June 22, 2025 V. Communication and Feedback 1. If applicants have any questions about this notice, they may inquire with the contact person for procurement releases. Contact Person: Yan Xiangfeng, Contact Number: 18993776723. VI. Inquiries and Complaints For inquiries or complaints regarding the procurement activities, please send the information to the email address of the Transaction Supervision Office of the JISCO Group Trading Center (jyjds@jiugang.com), Contact Number: 0937-6713939. Relevant Attachments None Supply Chain Management Branch June 17, 2025 Click to view the tender details: 》Advance Notice of Concentrated Procurement of Imported Inverters and Other Spare Parts in June by Hongxing Stock Co., Ltd. of JISCO Group

Advance Notice of Concentrated Procurement of Pulverized Coal for July 2025 by Yugang Company of JISCO Group Regarding the concentrated procurement of pulverized coal for July 2025 by Yugang Company of JISCO Group, an advance procurement notice is hereby issued. Qualified suppliers are invited to participate in the registration. Details are as follows: I. Project Overview Project Name: Advance Notice of Concentrated Procurement of Pulverized Coal for July 2025 by Yugang Company of JISCO Group Procuring Entity: Yugang Company Delivery Location: Delivery shall be made at the designated material yard of the Storage and Transportation Operation Area of JISCO Yuzhong Iron & Steel Co., Ltd. in Yuzhong County, Gansu Province. Estimated Start Date of Supply/Construction: June 18, 2025 Estimated End Date of Supply/Construction: July 31, 2025 Procurement Content: Click to view the content II. Registration Qualification Requirements 1. The applicant must be an independent legal entity within the territory of the People's Republic of China. 2. The applicant must not be a dishonest person subject to enforcement listed by the Supreme People's Court on the "Credit China" website or credit information sharing platforms at various levels. III. Registration Method Suppliers must respond to the notice within the specified time frame, log in to the electronic tender and bid system ( https://eps.jiugangbid.com/ ). Unregistered suppliers must first complete the registration process, then click "I Want to Register" for the corresponding procurement notice and fill in the relevant information. IV. Registration Deadline 18:09 on June 22, 2025 V. Communication and Feedback 1. If applicants have any questions about this notice, they may inquire with the contact person for procurement release. Contact Person: Guo Hong, Contact Number: 18919969998. VI. Inquiries and Complaints For inquiries or complaints regarding the procurement activities, please send the information to the email address of the Transaction Supervision Office of the JISCO Group Trading Center (jyjds@jiugang.com), Contact Number: 0937-6713939. Relevant Attachments None Yugang Company June 17, 2025 Click to view the tender details: 》Advance Notice of Concentrated Procurement of Pulverized Coal for July 2025 by Yugang Company of JISCO Group

Advance Notice of Concentrated Procurement of Coking Coal for July 2025 by Yugang Company of JISCO Group Yugang Company is hereby issuing an advance notice of concentrated procurement of coking coal for July 2025. Qualified suppliers are invited to participate in the registration. The details are as follows: I. Project Overview Project Name: Advance Notice of Concentrated Procurement of Coking Coal for July 2025 by Yugang Company of JISCO Group Purchasing Unit: Yugang Company Delivery Location: Delivery shall be made at the designated material yard of the Storage and Transportation Operation Area of Jiuquan Iron & Steel (Group) Co., Ltd. Yuzhong Steel Branch in Yuzhong County, Gansu Province. Estimated Start Date of Supply/Construction: June 18, 2025 Estimated Completion Date of Supply/Construction: July 31, 2025 Procurement Content: Click to view the content II. Registration Qualification Requirements 1. The applicant must be an independent legal entity within the territory of the People's Republic of China. 2. The applicant must not be listed as a dishonest person subject to enforcement by the Supreme People's Court on the "Credit China" website or any credit information sharing platform at any level. III. Registration Method Suppliers must respond to this notice within the specified time frame and log in to the electronic tender and bid system ( https://eps.jiugangbid.com/ ). Unregistered suppliers must first complete the registration process. After registration, click "I Want to Register" for the corresponding procurement notice and fill in the relevant information. IV. Registration Deadline 18:10 on June 22, 2025 V. Communication and Feedback 1. If applicants have any questions about this notice, they may inquire with the contact person for procurement release. Contact Person: Guo Hong, Contact Number: 18919969998. VI. Inquiries and Complaints For inquiries or complaints regarding the procurement activities, please send the information to the email address of the Transaction Supervision Office of the JISCO Group Trading Center (jyjds@jiugang.com), Contact Number: 0937-6713939. Relevant Attachments None Yugang Company June 17, 2025 Click to view the tender details: 》Advance Notice of Concentrated Procurement of Coking Coal for July 2025 by Yugang Company of JISCO Group

Pre-announcement of Concentrated Procurement of Fat Coal for July 2025 by Yugang Company of JISCO Group Yugang Company is hereby issuing a pre-announcement for the concentrated procurement of fat coal for July 2025. Qualified suppliers are invited to participate in the registration. The details are as follows: I. Project Overview Project Name: Pre-announcement of Concentrated Procurement of Fat Coal for July 2025 by Yugang Company of JISCO Group Procuring Entity: Yugang Company Delivery Location: Delivery shall be made at the designated material yard of the Storage and Transportation Operation Area of JISCO Yuzhong Iron & Steel Co., Ltd. in Yuzhong County, Gansu Province. Estimated Start Date of Supply/Construction: June 18, 2025 Estimated End Date of Supply/Construction: July 31, 2025 Procurement Content: Click to view the content II. Registration Qualification Requirements 1. The registrant must be an independent legal entity within the territory of the People's Republic of China. 2. The registrant must not be listed as a dishonest person subject to enforcement by the Supreme People's Court on the "Credit China" website or any credit information sharing platform at various levels. III. Registration Method Suppliers must respond to the pre-announcement within the specified time frame and log in to the electronic tender and bid system ( https://eps.jiugangbid.com/ ). Unregistered suppliers must first complete the registration process, then click "I Want to Register" for the corresponding procurement pre-announcement and fill in the relevant information. IV. Registration Deadline 17:28 on June 22, 2025 V. Communication and Feedback 1. If registrants have any questions about this pre-announcement, they may inquire with the contact person for procurement release. Contact Person: Guo Hong, Contact Number: 18919969998. VI. Inquiries and Complaints For inquiries or complaints regarding the procurement activities, please send the information to the email address of the Transaction Supervision Office of the JISCO Group Trading Center (jyjds@jiugang.com), Contact Number: 0937-6713939. Relevant Attachments None Yugang Company June 17, 2025 Click to view the tender details: 》Pre-announcement of Concentrated Procurement of Fat Coal for July 2025 by Yugang Company of JISCO Group

Advance Notice for Procurement of Annual Maintenance Services for Coke Dry Quenching Furnaces No. 3 to 6 of JISCO Hongxiang Energy Co., Ltd. in 2025 Hongxiang Energy Co., Ltd. is issuing an advance notice for the procurement of annual maintenance services for Coke Dry Quenching Furnaces No. 3 to 6 of JISCO Hongxiang Energy Co., Ltd. in 2025. Qualified suppliers are invited to participate in the registration. Details are as follows: 1. Project Overview Project Name: Advance Notice for Procurement of Annual Maintenance Services for Coke Dry Quenching Furnaces No. 3 to 6 of JISCO Hongxiang Energy Co., Ltd. in 2025 Procuring Entity: Hongxiang Energy Co., Ltd. Delivery Location: Hongxiang Energy Co., Ltd., JISCO Metallurgical Plant Area, Jiayuguan City, Gansu Province Estimated Start Date of Supply/Construction: June 20, 2025 Estimated Completion Date of Supply/Construction: August 31, 2025 Procurement Content: Click to view the content 2. Registration Qualification Requirements 1. The applicant must be an independent legal entity within the territory of the People's Republic of China. 2. The applicant must not be listed as a dishonest person subject to enforcement by the Supreme People's Court on the "Credit China" website or any credit information sharing platform at any level. 3. The applicant must possess a Construction Enterprise Qualification Certificate (with a qualification category and level of Grade III or above for general contracting of metallurgical engineering construction). 4. This procurement accepts producers. 3. Registration Method Suppliers must respond to this notice within the specified time frame and log in to the electronic tender and bid system ( https://eps.jiugangbid.com/ ). Unregistered suppliers must first complete the registration process. After registration, click "I Want to Register" for the corresponding procurement notice and fill in the relevant information. 4. Registration Deadline 10:17 AM, June 16, 2025 5. Communication and Feedback 1. If applicants have any questions about this notice, they may inquire with the contact person for procurement releases. Contact Person: Tang Lei, Contact Number: 13993785789. 6. Complaints and Inquiries For complaints and inquiries regarding the procurement activities, please send the information to the email address of the Transaction Supervision Office of JISCO Trading Center (jyjds@jiugang.com), Contact Number: 0937-6713939. Relevant Attachments 1. Technical Specification for the Annual Maintenance Project of Coke Dry Quenching Furnaces No. 3 to 6 of JISCO Hongxiang Energy Co., Ltd. in 2025.doc Download Hongxiang Energy Co., Ltd. June 13, 2025 Click to view tender details: 》Advance Notice for Procurement of Annual Maintenance Services for Coke Dry Quenching Furnaces No. 3 to 6 of JISCO Hongxiang Energy Co., Ltd. in 2025

Advance Notice of Concentrated Procurement of Externally Purchased Coke by JISCO Group in July 2025 The Supply Chain Management Branch is issuing an advance notice of concentrated procurement of externally purchased coke by JISCO Group in July 2025. Qualified suppliers are invited to participate in the registration. The details are as follows: I. Project Overview Project Name: Advance Notice of Concentrated Procurement of Externally Purchased Coke by JISCO Group in July 2025 Procuring Entity: Supply Chain Management Branch Delivery Location: Designated storage areas at the Hongxing Iron & Steel Co., Ltd. storage and transportation yard and other plants and mines Estimated Start Date of Supply/Construction: June 17, 2025 Estimated Completion Date of Supply/Construction: July 31, 2025 Procurement Content: Click to view the content II. Registration Qualification Requirements 1. The applicant must be an independent legal entity within the territory of the People's Republic of China; the bidder shall have the capability to respond to the tender project. 2. The applicant must not be listed as a dishonest person subject to enforcement by the Supreme People's Court on the "Credit China" website or any credit information sharing platform at any level. 3. The applicant may register for individual items of the procurement content and must specify the exact material codes and names. 4. In principle, the applicant should be a producer. Non-producers must upload the producer's authorization letter along with the authorization period, the resource tax payment certificate of the mining enterprise, and the producer's contact information. 5. If the applicant uses road transportation at the JISCO headquarters, all carrier vehicles must be NEVs or vehicles that meet the China VI vehicle emission standards. III. Registration Method Suppliers must respond to the notice within the specified time frame and log in to the electronic tender and bid system ( https://eps.jiugangbid.com/ ). Unregistered suppliers must first complete the registration process, then click "I Want to Register" for the corresponding procurement notice and fill in the relevant information. IV. Registration Deadline 9:48 AM, June 15, 2025 V. Communication and Feedback 1. If applicants have any questions about this notice, they may inquire with the procurement contact person. Contact Person: Shuai Chai, Contact Number: 18693770993. VI. Complaints and Inquiries For any complaints or inquiries regarding the procurement activities, please send the information to the email address of the Transaction Supervision Office of the JISCO Group Trading Center (jyjds@jiugang.com), Contact Number: 0937-6713939. Relevant Attachments None Supply Chain Management Branch June 10, 2025 Click to view the tender details: 》Advance Notice of Concentrated Procurement of Externally Purchased Coke by JISCO Group in July 2025