| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 720.08 | USD | 20251114 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.97 | USD | 20251114 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.89 | USD | 20251112 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 720.0 | USD | 20251112 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.66 | USD | 20251110 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.86 | USD | 20251109 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.86 | USD | 20251107 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.57 | USD | 20251106 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 804.35 | USD | 20251106 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.21 | USD | 20251105 |