| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaowang Chem | China national standards | MT | 1126.0 | USD | 20251011 |
| Shandong Xima | China national standards | MT | 914.87 | USD | 20251011 |
| Shandong Qiangsen Chem | China national standards | MT | 1111.92 | USD | 20251011 |
| Shandong Yihe Chem | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Jinwen Chem | China national standards | MT | 1210.45 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1210.45 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1252.67 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1259.71 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1393.42 | USD | 20251011 |
| Shandong Jinling Chem | China national standards | MT | 1147.11 | USD | 20251011 |