| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1169.33 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1169.33 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 1166.52 | USD | 20250926 |
| Jinan Dezheng Chem | China national standards | MT | 1433.55 | USD | 20250926 |
| Jinan Dezheng Chem | China national standards | MT | 1433.55 | USD | 20250926 |
| Jinan Dezheng Chem | China national standards | MT | 1433.55 | USD | 20250926 |
| Jinan Dezheng Chem | China national standards | MT | 1433.55 | USD | 20250926 |
| Hubei 789 Chem | China national standards | MT | 1124.35 | USD | 20250926 |
| Hubei 789 Chem | China national standards | MT | 1124.35 | USD | 20250926 |
| Shandong Mingyu | China national standards | MT | 1869.24 | USD | 20250926 |