| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | China national standards | MT | 1636.94 | USD | 20251030 |
| Shandong Longhui Chem | China national standards | MT | 1947.97 | USD | 20251029 |
| Shandong Longhui Chem | China national standards | MT | 1637.42 | USD | 20251029 |
| Shandong Longhui Chem | China national standards | MT | 1947.61 | USD | 20251028 |
| Shandong Longhui Chem | China national standards | MT | 1637.12 | USD | 20251028 |
| Shandong Longhui Chem | China national standards | MT | 1946.93 | USD | 20251027 |
| Shandong Longhui Chem | China national standards | MT | 1945.91 | USD | 20251023 |
| Shandong Longhui Chem | China national standards | MT | 1635.69 | USD | 20251023 |
| Shandong Longhui Chem | China national standards | MT | 1634.86 | USD | 20251022 |
| Shandong Longhui Chem | China national standards | MT | 1944.92 | USD | 20251022 |