| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong QiFa Chem | China national standards | MT | 888.2 | USD | 20251021 |
| Shijiaz Bailong Chem | China national standards | MT | 845.9 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 845.9 | USD | 20251021 |
| Tangshan Huayi | China national standards | MT | 888.2 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 761.31 | USD | 20251021 |
| Jinan Jinhao Chem | China national standards | MT | 775.41 | USD | 20251021 |
| Jinan Jinhao Chem | China national standards | MT | 775.41 | USD | 20251021 |
| Shandong Jinshenrun Chem | China national standards | MT | 768.36 | USD | 20251021 |
| Shandong Jinshenrun Chem | China national standards | MT | 775.41 | USD | 20251021 |