| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1637.82 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 1595.46 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 1595.46 | USD | 20251125 |
| Shandong Shuojia Chem | China national standards | MT | 1567.22 | USD | 20251125 |
| Shandong Yihe Chem | China national standards | MT | 1637.82 | USD | 20251125 |
| Jinan Jinrihe Chem | China national standards | MT | 1694.29 | USD | 20251125 |
| JS Yangnong Chem | China national standards | MT | 854.21 | USD | 20251125 |
| Shandong Xima | China national standards | MT | 847.15 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1174.71 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1174.71 | USD | 20251125 |