| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 815.68 | USD | 20250922 |
| Nantong Zhonghe Chem | China national standards | MT | 717.24 | USD | 20250922 |
| Hubei 789 Chem | China national standards | MT | 984.45 | USD | 20250922 |
| Hubei 789 Chem | China national standards | MT | 984.45 | USD | 20250922 |
| Jinan Jinrihe Chem | China national standards | MT | 738.33 | USD | 20250922 |
| Jinan Jinrihe Chem | China national standards | MT | 738.33 | USD | 20250922 |
| Zibo Qixiang Chem | China national standards | MT | 731.3 | USD | 20250922 |
| Jinan Jinrihe Chem | China national standards | MT | 731.3 | USD | 20250922 |
| Jinan Jinrihe Chem | China national standards | MT | 731.3 | USD | 20250922 |
| Jinan Jinrihe Chem | China national standards | MT | 745.37 | USD | 20250922 |