| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 876.28 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 840.94 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 1003.48 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 840.94 | USD | 20251203 |
| Lihuayi Weiyuan Chem | China national standards | MT | 890.41 | USD | 20251203 |
| Shandong Jinshenrun Chem | China national standards | MT | 975.21 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 840.94 | USD | 20251203 |
| Beijing Yanshan Petro | China national standards | MT | 975.21 | USD | 20251203 |
| Shandong Jinshenrun Chem | China national standards | MT | 975.21 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 1003.48 | USD | 20251203 |