| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haike Chem | China national standards | MT | 923.3 | USD | 20260204 |
| Shandong Haike Chem | China national standards | MT | 915.42 | USD | 20260202 |
| Dongying Hualian Petro | China national standards | MT | 908.67 | USD | 20260202 |
| Shandong Wonfull Petro | China national standards | MT | 927.6 | USD | 20260127 |
| Dongying Hualian Petro | China national standards | MT | 913.71 | USD | 20260127 |
| Shandong Haike Chem | China national standards | MT | 916.14 | USD | 20260127 |
| Dongying Hualian Petro | China national standards | MT | 899.59 | USD | 20260126 |
| Shandong Haike Chem | China national standards | MT | 900.59 | USD | 20260126 |
| Shandong Wonfull Petro | China national standards | MT | 916.34 | USD | 20260126 |
| Dongying Hualian Petro | China national standards | MT | 874.17 | USD | 20260123 |