| Vendor | Spec | Unit | Price | Currency | Date |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1099.86 | USD | 20251023 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1049.98 | USD | 20251022 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 873.81 | USD | 20251022 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1050.33 | USD | 20251021 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 874.1 | USD | 20251021 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1049.69 | USD | 20251020 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1099.01 | USD | 20251020 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1113.1 | USD | 20251020 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 873.57 | USD | 20251020 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 873.87 | USD | 20251018 |