| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haike Chem | China national standards | MT | 1204.35 | USD | 20260311 |
| Shandong Haike Chem | China national standards | MT | 1047.72 | USD | 20260305 |
| Shandong Haike Chem | China national standards | MT | 953.26 | USD | 20260302 |
| Shandong Haike Chem | China national standards | MT | 924.48 | USD | 20260228 |
| Shandong Haike Chem | China national standards | MT | 933.15 | USD | 20260227 |
| Shandong Haike Chem | China national standards | MT | 923.3 | USD | 20260204 |
| Shandong Haike Chem | China national standards | MT | 915.42 | USD | 20260202 |
| Shandong Haike Chem | China national standards | MT | 916.14 | USD | 20260127 |
| Shandong Haike Chem | China national standards | MT | 900.59 | USD | 20260126 |
| Shandong Haike Chem | China national standards | MT | 873.31 | USD | 20260116 |