| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Yantai | China national standards | MT | 886.61 | USD | 20250924 |
| Wanhua Yantai | China national standards | MT | 816.25 | USD | 20250924 |
| Wanhua Yantai | China national standards | MT | 985.12 | USD | 20250924 |
| Wanhua Yantai | China national standards | MT | 893.65 | USD | 20250924 |
| Shandong Kaitai Petro | China national standards | MT | 886.61 | USD | 20250924 |
| Shandong Kaitai Petro | China national standards | MT | 914.76 | USD | 20250924 |
| Shandong Yihe Chem | China national standards | MT | 788.1 | USD | 20250924 |
| Shandong Mingyu | China national standards | MT | 1224.37 | USD | 20250924 |
| Shandong Mingyu | China national standards | MT | 1027.34 | USD | 20250924 |
| Jinan Aochen Chem | China national standards | MT | 985.12 | USD | 20250924 |