| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 1125.08 | USD | 20250922 |
| Lihuayi Shandong | China national standards | MT | 977.41 | USD | 20250922 |
| Shandong Fusheng | China national standards | MT | 1054.76 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Yihe Chem | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Yihe Chem | China national standards | MT | 998.51 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1075.86 | USD | 20250922 |