| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 303.83 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 303.83 | USD | 20251208 |
| Nanjing Runsheng Petro | China national standards | MT | 296.76 | USD | 20251208 |
| Nanjing Runsheng Petro | China national standards | MT | 339.16 | USD | 20251208 |
| Nanjing Runsheng Petro | China national standards | MT | 339.16 | USD | 20251208 |
| Shandong Jinling Chem | China national standards | MT | 268.5 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 346.22 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 332.09 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 367.42 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 353.29 | USD | 20251208 |