| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Sinopec | China national standards | MT | 1096.4 | USD | 20251211 |
| Derun Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Sinopec | China national standards | MT | 1096.4 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 976.15 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |