| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 844.71 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 971.42 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1062.93 | USD | 20250829 |
| Sinopec | China national standards | MT | 1091.09 | USD | 20250829 |
| Qingdao Shengze Chem | China national standards | MT | 844.32 | USD | 20250828 |
| Aite Zhejiang | China national standards | MT | 1013.19 | USD | 20250828 |
| Aite Zhejiang | China national standards | MT | 1013.19 | USD | 20250828 |
| Huizhou Jincheng Petro | China national standards | MT | 1097.62 | USD | 20250828 |
| Huizhou Jincheng Petro | China national standards | MT | 1097.62 | USD | 20250828 |
| Shandong Mengkanda Chem | China national standards | MT | 802.11 | USD | 20250828 |