| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 818.27 | USD | 20251027 |
| Zibo Lishuo Chem | China national standards | MT | 818.27 | USD | 20251027 |
| Shandong Shuojia Chem | China national standards | MT | 719.52 | USD | 20251027 |
| Shandong Shuojia Chem | China national standards | MT | 719.52 | USD | 20251027 |
| Shandong Shuojia Chem | China national standards | MT | 719.52 | USD | 20251027 |
| Shandong Shuojia Chem | China national standards | MT | 719.52 | USD | 20251027 |
| Shandong Shuojia Chem | China national standards | MT | 719.52 | USD | 20251027 |
| Shandong Wonfull Petro | China national standards | MT | 747.73 | USD | 20251027 |
| Shandong Jinshenrun Chem | China national standards | MT | 747.73 | USD | 20251027 |
| Shandong Jinshenrun Chem | China national standards | MT | 747.73 | USD | 20251027 |