| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 984.92 | USD | 20250901 |
| Shandong Junfeng | China national standards | MT | 1055.27 | USD | 20250901 |
| Shandong Junfeng | China national standards | MT | 914.57 | USD | 20250901 |
| Shandong Qiangsen Chem | China national standards | MT | 928.64 | USD | 20250901 |
| Shandong Qiangsen Chem | China national standards | MT | 928.64 | USD | 20250901 |
| Shandong Langchem | China national standards | MT | 1097.48 | USD | 20250901 |
| Shandong Langchem | China national standards | MT | 1111.55 | USD | 20250901 |
| Shandong Langchem | China national standards | MT | 1111.55 | USD | 20250901 |
| Shandong Langchem | China national standards | MT | 1104.51 | USD | 20250901 |
| Shandong Langchem | China national standards | MT | 1125.62 | USD | 20250901 |