| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1196.37 | USD | 20251011 |
| Beijing Yanshan Petro | China national standards | MT | 1154.15 | USD | 20251011 |
| Jinan Pulaihua Chem | China national standards | MT | 1154.15 | USD | 20251011 |
| Jinan Pulaihua Chem | China national standards | MT | 1034.51 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 999.32 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 999.32 | USD | 20251011 |
| Jinan Xinhou | China national standards | MT | 1126.0 | USD | 20251011 |
| Shandong Xingpeng Chem | China national standards | MT | 957.1 | USD | 20251011 |
| Jinan Dezheng Chem | China national standards | MT | 935.99 | USD | 20251011 |
| Jinan Dezheng Chem | China national standards | MT | 935.99 | USD | 20251011 |