| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1196.37 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1171.04 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1210.45 | USD | 20251011 |
| Shandong Langchem | China national standards | MT | 1210.45 | USD | 20251011 |
| Wanhua Chem | China national standards | MT | 1337.12 | USD | 20251011 |
| Shandong Junfeng | China national standards | MT | 1196.37 | USD | 20251011 |
| Befar | China national standards | MT | 886.72 | USD | 20251011 |
| Wanhua Chem | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Jinling Chem | China national standards | MT | 1027.47 | USD | 20251011 |
| Shandong Yeyang Chem | China national standards | MT | 1238.6 | USD | 20251011 |