| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Yantai | China national standards | MT | 984.14 | USD | 20250920 |
| Wanhua Yantai | China national standards | MT | 787.31 | USD | 20250920 |
| Wanhua Yantai | China national standards | MT | 885.73 | USD | 20250920 |
| Wanhua Yantai | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Kaitai Petro | China national standards | MT | 885.73 | USD | 20250920 |
| Shandong Mingyu | China national standards | MT | 1026.32 | USD | 20250920 |
| Shandong Mingyu | China national standards | MT | 1180.97 | USD | 20250920 |
| Formosa Ningbo | China national standards | MT | 885.73 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1054.44 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 1138.79 | USD | 20250920 |