| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1434.35 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1434.35 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1434.65 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1434.65 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1434.65 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1434.97 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1434.97 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1434.97 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1434.55 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1434.55 | USD | 20251203 |