| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 984.68 | USD | 20250929 |
| Zibo Lishuo Chem | China national standards | MT | 984.68 | USD | 20250929 |
| Zibo Lishuo Chem | China national standards | MT | 984.68 | USD | 20250929 |
| Zibo Lishuo Chem | China national standards | MT | 984.68 | USD | 20250929 |
| Sinopec | China national standards | MT | 942.48 | USD | 20250929 |
| Sinopec | China national standards | MT | 942.48 | USD | 20250929 |
| Wanhua Chem | China national standards | MT | 984.68 | USD | 20250929 |
| Lihuayi Shandong | China national standards | MT | 945.29 | USD | 20250929 |
| Sinopec | China national standards | MT | 1244.92 | USD | 20250929 |
| Lihuayi Shandong | China national standards | MT | 1242.1 | USD | 20250929 |