| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1340.75 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1178.45 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1213.73 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1213.73 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1174.21 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 1093.77 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 1188.33 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 1121.99 | USD | 20251110 |
| Shandong Zhiheng | China national standards | MT | 1129.05 | USD | 20251110 |
| Shandong Zhiheng | China national standards | MT | 1129.05 | USD | 20251110 |