| Vendor | Spec | Unit | Price | Currency | Date |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 875.01 | USD | 20251028 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 875.01 | USD | 20251028 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 874.71 | USD | 20251027 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 874.13 | USD | 20251025 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1050.36 | USD | 20251024 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1099.71 | USD | 20251024 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1113.81 | USD | 20251024 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 874.13 | USD | 20251024 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1050.51 | USD | 20251023 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1113.96 | USD | 20251023 |