| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1905.62 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 1905.27 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1903.34 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 1903.61 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 1902.64 | USD | 20251022 |
| Shandong Hongyang Chem | China national standards | MT | 1903.28 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1902.13 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1902.78 | USD | 20251017 |
| Shandong Hongyang Chem | China national standards | MT | 1902.78 | USD | 20251017 |
| Shandong Hongyang Chem | China national standards | MT | 1902.27 | USD | 20251016 |