| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 889.97 | USD | 20251129 |
| Shandong Laya Chem | China national standards | MT | 974.73 | USD | 20251129 |
| Shaanxi Yanchang Petro | China national standards | MT | 1200.75 | USD | 20251129 |
| Lihuayi Shandong | China national standards | MT | 1031.23 | USD | 20251129 |
| Sinopec | China national standards | MT | 932.35 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1299.64 | USD | 20251129 |
| Shandong Qiangsen Chem | China national standards | MT | 1045.36 | USD | 20251129 |
| Sinopec | China national standards | MT | 1200.75 | USD | 20251129 |
| Jinan Jiaxing Chem | China national standards | MT | 1158.37 | USD | 20251129 |
| Beijing Yanshan Petro | China national standards | MT | 932.35 | USD | 20251129 |