| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 844.99 | USD | 20251013 |
| Shandong Wonfull Petro | China national standards | MT | 844.99 | USD | 20251013 |
| Shandong Shuojia Chem | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Shuojia Chem | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Shuojia Chem | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Shuojia Chem | China national standards | MT | 746.41 | USD | 20251013 |
| Shandong Shuojia Chem | China national standards | MT | 746.41 | USD | 20251013 |
| Shanghai Ronghe Chem | China national standards | MT | 788.65 | USD | 20251013 |
| Jinan Jinrihe Chem | China national standards | MT | 718.24 | USD | 20251013 |
| Jinan Jinrihe Chem | China national standards | MT | 718.24 | USD | 20251013 |