| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 946.88 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Yaoming Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Yihe Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 869.15 | USD | 20251201 |
| Shandong Jinwen Chem | China national standards | MT | 1045.8 | USD | 20251201 |
| Shandong Jinshenrun Chem | China national standards | MT | 889.97 | USD | 20251130 |
| Liaocheng Yuanze Chem | China national standards | MT | 875.84 | USD | 20251130 |
| Qingdao Shengze Chem | China national standards | MT | 868.78 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 861.72 | USD | 20251130 |