| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 915.91 | USD | 20251016 |
| Jinan Angxin Chem | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Yihe Chem | China national standards | MT | 1000.45 | USD | 20251016 |
| Shandong Yihe Chem | China national standards | MT | 986.36 | USD | 20251016 |
| Nanjing Runsheng Petro | China national standards | MT | 958.18 | USD | 20251016 |
| Shandong Jinwen Chem | China national standards | MT | 1042.72 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1077.95 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1254.09 | USD | 20251016 |