| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.21 | USD | 20251105 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.37 | USD | 20251104 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.37 | USD | 20251104 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.55 | USD | 20251103 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 705.79 | USD | 20251029 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 704.68 | USD | 20251022 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 704.92 | USD | 20251021 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 704.49 | USD | 20251020 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 704.73 | USD | 20251017 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 704.73 | USD | 20251017 |