| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 710.7 | USD | 20250925 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.66 | USD | 20250925 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.66 | USD | 20250924 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 710.7 | USD | 20250924 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 802.17 | USD | 20250924 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.66 | USD | 20250924 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 710.7 | USD | 20250923 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.66 | USD | 20250923 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 802.17 | USD | 20250923 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 710.7 | USD | 20250923 |