| Vendor | Spec | Unit | Price | Currency | Date |
| Zhenghe Group Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Zhenghe Group Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Zhenghe Group Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Zhenghe Group Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| Zhenghe Group Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Zhenghe Group Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Zhenghe Group Co., Ltd. | China national standards | MT | 931.73 | USD | 20251107 |
| Zhenghe Group Co., Ltd. | China national standards | MT | 931.35 | USD | 20251106 |
| Zhenghe Group Co., Ltd. | China national standards | MT | 931.15 | USD | 20251101 |
| Zhenghe Group Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |