| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying HuataiChem | China national standards | MT | 1058.34 | USD | 20251111 |
| Shandong Yihe Chem | China national standards | MT | 1058.34 | USD | 20251111 |
| Shandong Yihe Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Xima | China national standards | MT | 959.56 | USD | 20251111 |
| Shandong Jinwen Chem | China national standards | MT | 1213.56 | USD | 20251111 |
| Shandong Qiangsen Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1199.45 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1174.05 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1213.56 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 1093.77 | USD | 20251110 |