| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 702.96 | USD | 20250919 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 709.99 | USD | 20250919 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 710.42 | USD | 20250918 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |