| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Junfeng | China national standards | MT | 1056.03 | USD | 20251014 |
| Shandong Junfeng | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1126.43 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1105.31 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1112.35 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1112.35 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1098.27 | USD | 20251014 |
| Shandong Henrui Chem | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Zhiheng | China national standards | MT | 1112.35 | USD | 20251014 |