| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 710.21 | USD | 20250922 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 710.21 | USD | 20250922 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 702.96 | USD | 20250921 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 709.99 | USD | 20250920 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 709.99 | USD | 20250919 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 702.96 | USD | 20250919 |