| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 890.41 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 908.78 | USD | 20251203 |
| Shandong Zhiheng | China national standards | MT | 908.78 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1102.41 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1116.54 | USD | 20251203 |
| Beijing Yanshan Petro | China national standards | MT | 908.78 | USD | 20251203 |
| Shandong Qiangsen Chem | China national standards | MT | 932.81 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1109.48 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1116.54 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1130.68 | USD | 20251203 |