| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1057.81 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1142.44 | USD | 20251105 |
| Hubei 789 Chem | China national standards | MT | 818.04 | USD | 20251105 |
| Hubei 789 Chem | China national standards | MT | 818.04 | USD | 20251105 |
| Jinan Jinhao Chem | China national standards | MT | 1114.23 | USD | 20251105 |
| Shandong Xima | China national standards | MT | 789.83 | USD | 20251105 |
| Shandong Yeyang Chem | China national standards | MT | 789.83 | USD | 20251105 |
| Wanhua Yantai | China national standards | MT | 818.04 | USD | 20251105 |
| Wanhua Yantai | China national standards | MT | 888.56 | USD | 20251105 |
| Wanhua Yantai | China national standards | MT | 832.15 | USD | 20251105 |