| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 889.24 | USD | 20251124 |
| Shandong Kaitai Petro | China national standards | MT | 917.47 | USD | 20251124 |
| Shandong Yeyang Chem | China national standards | MT | 790.44 | USD | 20251124 |
| Shandong Mingyu | China national standards | MT | 861.01 | USD | 20251124 |
| Jinan Aochen Chem | China national standards | MT | 959.81 | USD | 20251124 |
| Shandong Langchem | China national standards | MT | 988.04 | USD | 20251124 |
| Sinopec | China national standards | MT | 790.44 | USD | 20251124 |
| Sinopec | China national standards | MT | 790.44 | USD | 20251124 |
| Shandong Kaitai Petro | China national standards | MT | 889.24 | USD | 20251124 |
| Zibo Lishuo Chem | China national standards | MT | 846.9 | USD | 20251124 |