| Vendor | Spec | Unit | Price | Currency | Date |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 888.76 | USD | 20251104 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1051.0 | USD | 20251104 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 874.66 | USD | 20251104 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1051.27 | USD | 20251103 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 874.88 | USD | 20251103 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 888.99 | USD | 20251103 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1128.88 | USD | 20251103 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1114.76 | USD | 20251103 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 874.72 | USD | 20251101 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1051.07 | USD | 20251031 |