| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Kaitai Petro | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Kaitai Petro | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Yihe Chem | China national standards | MT | 787.56 | USD | 20250922 |
| Shandong Mingyu | China national standards | MT | 1209.46 | USD | 20250922 |
| Shandong Mingyu | China national standards | MT | 1026.64 | USD | 20250922 |
| Jinan Aochen Chem | China national standards | MT | 984.45 | USD | 20250922 |
| Jinan Aochen Chem | China national standards | MT | 914.13 | USD | 20250922 |
| Jinan Aochen Chem | China national standards | MT | 1237.59 | USD | 20250922 |
| Jinan Aochen Chem | China national standards | MT | 956.32 | USD | 20250922 |
| Jinan Aochen Chem | China national standards | MT | 1195.4 | USD | 20250922 |