| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 409.23 | USD | 20251113 |
| Shandong Hanyue Chem | China national standards | MT | 268.12 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 383.83 | USD | 20251113 |
| Shandong Yihe Chem | China national standards | MT | 238.48 | USD | 20251113 |
| Luxi Chem | China national standards | MT | 381.01 | USD | 20251113 |
| Liaocheng Xinli | China national standards | MT | 275.17 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 359.84 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 352.78 | USD | 20251113 |
| Jinan Jinrihe Chem | China national standards | MT | 268.12 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 352.78 | USD | 20251113 |