| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 918.69 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Junfeng | China national standards | MT | 1060.03 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1109.49 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1116.56 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1116.56 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 932.82 | USD | 20251210 |