| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 897.52 | USD | 20251020 |
| Shandong Xingpeng Chem | China national standards | MT | 890.48 | USD | 20251020 |
| Lihuayi Shandong | China national standards | MT | 890.48 | USD | 20251020 |
| Sinopec | China national standards | MT | 1225.82 | USD | 20251020 |
| Lihuayi Shandong | China national standards | MT | 1244.14 | USD | 20251020 |
| Sinopec | China national standards | MT | 1246.95 | USD | 20251020 |
| Zibo Lishuo Chem | China national standards | MT | 986.29 | USD | 20251020 |
| Zibo Lishuo Chem | China national standards | MT | 986.29 | USD | 20251020 |
| Zibo Lishuo Chem | China national standards | MT | 986.29 | USD | 20251020 |
| Zibo Lishuo Chem | China national standards | MT | 986.29 | USD | 20251020 |