| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1214.41 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1179.11 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1200.29 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1174.88 | USD | 20251117 |
| Shandong Jinwen Chem | China national standards | MT | 1214.41 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 988.48 | USD | 20251117 |
| Shandong Xima | China national standards | MT | 960.23 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1189.0 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1094.39 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1122.63 | USD | 20251117 |