| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 804.16 | USD | 20251027 |
| Shandong Xima | China national standards | MT | 705.41 | USD | 20251027 |
| Shandong Xima | China national standards | MT | 705.41 | USD | 20251027 |
| Shandong Fusheng | China national standards | MT | 790.06 | USD | 20251027 |
| Shandong Laya Chem | China national standards | MT | 747.73 | USD | 20251027 |
| Shandong Jinwen Chem | China national standards | MT | 853.54 | USD | 20251027 |
| Shandong Jinwen Chem | China national standards | MT | 853.54 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 888.81 | USD | 20251027 |
| Jinan Jinrihe Chem | China national standards | MT | 719.52 | USD | 20251027 |
| Jinan Jinrihe Chem | China national standards | MT | 719.52 | USD | 20251027 |