| Vendor | Spec | Unit | Price | Currency | Date |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 873.87 | USD | 20251017 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1050.05 | USD | 20251017 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1049.77 | USD | 20251016 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 930.0 | USD | 20251016 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 887.72 | USD | 20251016 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1049.37 | USD | 20251015 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 887.39 | USD | 20251015 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 929.3 | USD | 20251014 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1048.99 | USD | 20251014 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 887.06 | USD | 20251014 |