| Vendor | Spec | Unit | Price | Currency | Date |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1127.52 | USD | 20251211 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1215.5 | USD | 20251210 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1201.36 | USD | 20251210 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 876.29 | USD | 20251210 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1126.45 | USD | 20251210 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 876.04 | USD | 20251209 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1003.21 | USD | 20251209 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1126.14 | USD | 20251209 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1126.14 | USD | 20251209 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1201.18 | USD | 20251208 |