| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1130.76 | USD | 20251205 |
| Shandong Yihe Chem | China national standards | MT | 1639.6 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1187.3 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1175.99 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1173.16 | USD | 20251205 |
| Shandong Yuxuan Chem | China national standards | MT | 1823.35 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Hunan Qilu Tech | China national standards | MT | 1653.73 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1130.76 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1356.91 | USD | 20251205 |