| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 706.68 | USD | 20251210 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 706.48 | USD | 20251209 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 706.48 | USD | 20251209 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 706.57 | USD | 20251208 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 706.72 | USD | 20251207 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 706.72 | USD | 20251205 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 706.72 | USD | 20251205 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 706.88 | USD | 20251204 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 706.67 | USD | 20251203 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 706.67 | USD | 20251203 |