| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 818.56 | USD | 20251028 |
| Shandong Hanyue Chem | China national standards | MT | 762.11 | USD | 20251028 |
| Shandong Hanyue Chem | China national standards | MT | 762.11 | USD | 20251028 |
| Shandong Hanyue Chem | China national standards | MT | 762.11 | USD | 20251028 |
| Shandong Hanyue Chem | China national standards | MT | 762.11 | USD | 20251028 |
| Shandong Jinshenrun Chem | China national standards | MT | 748.0 | USD | 20251028 |
| Shandong Jinshenrun Chem | China national standards | MT | 748.0 | USD | 20251028 |
| Shandong Jinshenrun Chem | China national standards | MT | 748.0 | USD | 20251028 |
| Shandong Wonfull Petro | China national standards | MT | 748.0 | USD | 20251028 |
| Shandong Laya Chem | China national standards | MT | 748.0 | USD | 20251028 |