| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1058.58 | USD | 20250818 |
| Sinopec | China national standards | MT | 1086.62 | USD | 20250818 |
| Aite Zhejiang | China national standards | MT | 1009.51 | USD | 20250818 |
| Aite Zhejiang | China national standards | MT | 1009.51 | USD | 20250818 |
| Huizhou Jincheng Petro | China national standards | MT | 1093.63 | USD | 20250818 |
| Sinopec | China national standards | MT | 1093.63 | USD | 20250818 |
| Sinopec | China national standards | MT | 1093.63 | USD | 20250818 |
| Qingdao Shengze Chem | China national standards | MT | 826.67 | USD | 20250817 |
| Shandong Xingpeng Chem | China national standards | MT | 854.69 | USD | 20250817 |
| Qingdao Shengze Chem | China national standards | MT | 826.67 | USD | 20250816 |