| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.68 | USD | 20250930 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.34 | USD | 20250929 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 801.81 | USD | 20250929 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 710.38 | USD | 20250929 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.34 | USD | 20250929 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 702.72 | USD | 20250928 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 801.1 | USD | 20250928 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 709.75 | USD | 20250926 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 801.1 | USD | 20250926 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 688.67 | USD | 20250926 |