| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 1568.84 | USD | 20251210 |
| Jinan Jiaxing Chem | China national standards | MT | 989.36 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1175.92 | USD | 20251210 |
| Zibo Feiyuan Chem | China national standards | MT | 1554.7 | USD | 20251210 |
| Shandong Yushuo Chem | China national standards | MT | 1568.84 | USD | 20251210 |
| Shandong Yihe Chem | China national standards | MT | 1639.51 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 1512.3 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 1696.04 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1187.23 | USD | 20251210 |