Announcement of Single Source Procurement of Variable Frequency Integrated Machine Accessories (Shandong Bocheng) I. Procuring Person, Project Name, and Content Huainan Mining (Group) Co., Ltd. Material Procurement and Supply Center (Material Supply and Marketing Branch), commissioned by Huainan Mining (Group) Co., Ltd. of Huaihe Energy Holdings Group, intends to purchase variable frequency integrated machine accessories (Shandong Bocheng) from Huainan Mining (Group) Co., Ltd. using a single source method. The proposed procurement project and the reasons for using a single source procurement are now announced. 2、 Description of the proposed procurement materials: Name, Model, Specification, Measurement Unit, Procurement Quantity, Mining Explosion proof and Intrinsic Safety High Voltage Variable Frequency Speed Control Integrated Machine TYJVFT Series Mining Explosion proof and Intrinsic Safety Permanent Magnet Variable Frequency Integrated Machine TYJVFT Series III. Reason for proposed single source procurement and related explanation. This project belongs to the variable frequency integrated machine accessories produced by Shandong Bocheng Electric Co., Ltd., and is for the subsequent maintenance, spare parts supply, and replacement of the original procurement. It must be purchased from the original supplier, in accordance with the "Implementation Rules for Non tender Procurement Management of Materials by Huaihe Energy Holding Group" (Huaineng Holding Office [2024] No. 105) in the "Huaihe Energy Holding Group Material Procurement Management Measures"; Chapter 3: Single Source Procurement; Article 5: (3) Subsequent supply, replacement, or expansion of spare parts that must be purchased from the original supplier; regulations. According to Article 5 of the Implementation Rules for Non Bidding Procurement Management of Materials by Huaihe Energy Holdings Group:; （3） The subsequent supply, replacement, or expansion of spare parts purchased must be sourced from the original supplier; ” We plan to use a single source procurement method. 4、 Name and Address of the Proposed Unique Supplier Supplier Name: Shandong Bocheng Electric Co., Ltd. Address: No. 1158, West Outer Ring Road, Zhongdian Town, Zoucheng City, Jining City, Shandong Province Publicity Period: April 24, 2025 to April 28, 2025 Any supplier or unit that has objections to the use of a single source procurement method can provide written feedback in real name to the Material Procurement Center (Material Supply and Marketing Branch) of Huainan Mining (Group) Co., Ltd. during the publicity period. Contact person: Guo Xiaodong Contact phone number: 0554-7622299 Huainan Mining (Group) Co., Ltd. Material Procurement and Supply Center (Material Supply and Marketing Branch) Attachment: Bocheng Details. xlsx