| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying HuataiChem | China national standards | MT | 1057.1 | USD | 20251017 |
| Shandong Yihe Chem | China national standards | MT | 1057.1 | USD | 20251017 |
| Shandong Yihe Chem | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Jinwen Chem | China national standards | MT | 1212.14 | USD | 20251017 |
| Hunan Qilu Tech | China national standards | MT | 1268.52 | USD | 20251017 |
| Wanhua Chem | China national standards | MT | 1338.99 | USD | 20251017 |
| Shandong Langchem | China national standards | MT | 1176.9 | USD | 20251017 |
| Shandong Langchem | China national standards | MT | 1212.14 | USD | 20251017 |
| Shandong Langchem | China national standards | MT | 1212.14 | USD | 20251017 |
| Shandong Langchem | China national standards | MT | 1172.67 | USD | 20251017 |