| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 730.83 | USD | 20250928 |
| Jinan Jinrihe Chem | China national standards | MT | 730.83 | USD | 20250928 |
| Jinan Jinrihe Chem | China national standards | MT | 744.88 | USD | 20250928 |
| Jinan Jinrihe Chem | China national standards | MT | 744.88 | USD | 20250928 |
| Shandong Langchem | China national standards | MT | 885.43 | USD | 20250928 |
| Shandong Xima | China national standards | MT | 702.72 | USD | 20250928 |
| Shandong Xima | China national standards | MT | 702.72 | USD | 20250928 |
| Shandong Xima | China national standards | MT | 702.72 | USD | 20250928 |
| Shandong Xima | China national standards | MT | 702.72 | USD | 20250928 |
| Shandong Qiangsen Chem | China national standards | MT | 801.1 | USD | 20250928 |