| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Denuo Chem | China national standards | MT | 1056.81 | USD | 20251016 |
| Shandong Xima | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Qiangsen Chem | China national standards | MT | 1056.81 | USD | 20251016 |
| Shandong Yihe Chem | China national standards | MT | 1521.81 | USD | 20251016 |
| Shandong Yihe Chem | China national standards | MT | 1521.81 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1148.4 | USD | 20251016 |
| Shandong Yeyang Chem | China national standards | MT | 1148.4 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1172.36 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1172.36 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1172.36 | USD | 20251016 |