| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1284.15 | USD | 20251030 |
| Shandong Langchem | China national standards | MT | 1255.93 | USD | 20251030 |
| Shandong Langchem | China national standards | MT | 1079.53 | USD | 20251030 |
| Shandong Langchem | China national standards | MT | 1100.7 | USD | 20251030 |
| Shandong Langchem | China national standards | MT | 1100.7 | USD | 20251030 |
| Shandong Zhiheng | China national standards | MT | 1255.93 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 1128.92 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 1128.92 | USD | 20251030 |
| Shandong Fusheng | China national standards | MT | 1128.92 | USD | 20251030 |
| Shandong Fusheng | China national standards | MT | 1058.37 | USD | 20251030 |