| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1200.12 | USD | 20251125 |
| Shandong Jinwen Chem | China national standards | MT | 1214.24 | USD | 20251125 |
| Befar | China national standards | MT | 889.5 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1214.24 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1178.95 | USD | 20251125 |
| Dongying HuataiChem | China national standards | MT | 1115.41 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1214.24 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1174.71 | USD | 20251125 |
| Wanhua Chem | China national standards | MT | 988.34 | USD | 20251125 |
| Shandong Jinling Chem | China national standards | MT | 1030.69 | USD | 20251125 |