| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | China national standards | MT | 1944.4 | USD | 20251020 |
| Shandong Longhui Chem | China national standards | MT | 1634.42 | USD | 20251020 |
| Shandong Longhui Chem | China national standards | MT | 1945.06 | USD | 20251017 |
| Shandong Longhui Chem | China national standards | MT | 1634.98 | USD | 20251017 |
| Shandong Longhui Chem | China national standards | MT | 1944.54 | USD | 20251016 |
| Shandong Longhui Chem | China national standards | MT | 1634.54 | USD | 20251016 |
| Shandong Longhui Chem | China national standards | MT | 1943.09 | USD | 20251014 |
| Shandong Longhui Chem | China national standards | MT | 1633.32 | USD | 20251014 |
| Shandong Longhui Chem | China national standards | MT | 1633.64 | USD | 20251013 |
| Shandong Longhui Chem | China national standards | MT | 1633.64 | USD | 20251013 |