| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1270.0 | USD | 20251111 |
| Sinopec | China national standards | MT | 1107.72 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 867.84 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 867.84 | USD | 20251111 |
| Zibo Lishuo Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 1058.34 | USD | 20251111 |
| Zibo Lishuo Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 1107.72 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 867.84 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 867.84 | USD | 20251111 |