| Vendor | Spec | Unit | Price | Currency | Date |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 927.59 | USD | 20250926 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1025.97 | USD | 20250926 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 928.83 | USD | 20250925 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1027.34 | USD | 20250925 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 928.83 | USD | 20250924 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1055.49 | USD | 20250924 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1027.34 | USD | 20250924 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1055.49 | USD | 20250923 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 928.83 | USD | 20250923 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1027.34 | USD | 20250923 |