| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1264.9 | USD | 20250928 |
| Jinan Jinrihe Chem | China national standards | MT | 913.54 | USD | 20250928 |
| Jinan Jinrihe Chem | China national standards | MT | 899.48 | USD | 20250928 |
| Shandong Xima | China national standards | MT | 871.37 | USD | 20250928 |
| Shandong Xima | China national standards | MT | 871.37 | USD | 20250928 |
| Shandong Yuxuan Chem | China national standards | MT | 997.86 | USD | 20250928 |
| Shandong Qiangsen Chem | China national standards | MT | 885.43 | USD | 20250928 |
| Shandong Qiangsen Chem | China national standards | MT | 885.43 | USD | 20250928 |
| Shandong Fusheng | China national standards | MT | 885.43 | USD | 20250928 |
| Shandong Fusheng | China national standards | MT | 1096.24 | USD | 20250928 |