| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1435.93 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1435.93 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1435.93 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1434.57 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1434.57 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1434.57 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1434.16 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1434.16 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1434.16 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1434.35 | USD | 20251208 |