| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Shijiaz Bailong Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong QiFa Chem | China national standards | MT | 891.27 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Zibo Qixiang Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Wonfull Petro | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Wonfull Petro | China national standards | MT | 715.13 | USD | 20251211 |
| Jinan Jinrihe Chem | China national standards | MT | 715.13 | USD | 20251211 |