| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1433.29 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1433.11 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 1433.11 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 1433.11 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 1432.3 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 1432.3 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 1432.3 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 1432.95 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 1432.95 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 1432.95 | USD | 20251112 |