| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 741.81 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 734.74 | USD | 20251209 |
| Changzhou Jiaye Chem | China national standards | MT | 1158.63 | USD | 20251209 |
| Zibo Lishuo Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Shandong Qiangsen Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Shandong Yushuo Chem | China national standards | MT | 727.68 | USD | 20251209 |
| Shandong QiFa Chem | China national standards | MT | 890.17 | USD | 20251209 |
| Shandong Wonfull Petro | China national standards | MT | 713.55 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 699.42 | USD | 20251209 |