| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Henrui Chem | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Xima | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Xima | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1125.14 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1104.05 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1111.08 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1111.08 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1097.02 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 928.24 | USD | 20251009 |