| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Beijing Yanshan Petro | China national standards | MT | 919.56 | USD | 20251211 |
| Lihuayi Weiyuan Chem | China national standards | MT | 877.12 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 848.82 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 806.38 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 806.38 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 806.38 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 806.38 | USD | 20251211 |