| Vendor | Spec | Unit | Price | Currency | Date |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 875.4 | USD | 20251115 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 875.4 | USD | 20251114 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1143.66 | USD | 20251114 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1129.54 | USD | 20251114 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1051.89 | USD | 20251114 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1051.29 | USD | 20251113 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 874.89 | USD | 20251111 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1051.28 | USD | 20251111 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1051.43 | USD | 20251110 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1143.16 | USD | 20251110 |