| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1105.71 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1281.78 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1253.61 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1077.54 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1098.67 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1098.67 | USD | 20251015 |
| Shandong Zhiheng | China national standards | MT | 1253.61 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1126.84 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1126.84 | USD | 20251015 |
| Nanjing Runsheng Petro | China national standards | MT | 957.81 | USD | 20251015 |