| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 958.69 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 1198.36 | USD | 20251021 |
| Jinan Pulaihua Chem | China national standards | MT | 803.61 | USD | 20251021 |
| Jinan Pulaihua Chem | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1057.38 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1141.97 | USD | 20251021 |
| Zibo Lishuo Chem | China national standards | MT | 845.9 | USD | 20251021 |
| Zibo Lishuo Chem | China national standards | MT | 845.9 | USD | 20251021 |
| Zibo Lishuo Chem | China national standards | MT | 845.9 | USD | 20251021 |