| Vendor | Spec | Unit | Price | Currency | Date |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1125.77 | USD | 20251126 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 875.76 | USD | 20251126 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1125.29 | USD | 20251125 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 875.13 | USD | 20251124 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1143.31 | USD | 20251124 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1157.42 | USD | 20251124 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1124.96 | USD | 20251124 |
| Wengfu (GROUP) Co., Ltd. | Industrial Grade;优等级 | MT | 1124.51 | USD | 20251121 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1142.86 | USD | 20251121 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 1156.97 | USD | 20251121 |