| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 746.76 | USD | 20251020 |
| Jinan Angxin Chem | China national standards | MT | 789.03 | USD | 20251020 |
| Shandong Wonfull Petro | China national standards | MT | 789.03 | USD | 20251020 |
| Shanghai Ronghe Chem | China national standards | MT | 789.03 | USD | 20251020 |
| Zibo Lishuo Chem | China national standards | MT | 817.21 | USD | 20251020 |
| Zibo Lishuo Chem | China national standards | MT | 817.21 | USD | 20251020 |
| Zibo Lishuo Chem | China national standards | MT | 817.21 | USD | 20251020 |
| Shandong Zhongke Taihua | China national standards | MT | 944.02 | USD | 20251020 |
| Shandong Zhongke Taihua | China national standards | MT | 944.02 | USD | 20251020 |
| Shandong Zhongke Taihua | China national standards | MT | 944.02 | USD | 20251020 |