| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 923.8 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 930.88 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 877.12 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 792.24 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 735.65 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 735.65 | USD | 20251211 |
| Shanghai Ronghe Chem | China national standards | MT | 877.12 | USD | 20251211 |