| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1157.13 | USD | 20251113 |
| Beijing Yanshan Petro | China national standards | MT | 1220.63 | USD | 20251113 |
| Kunlun Daqing Petro | China national standards | MT | 1199.46 | USD | 20251113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1326.47 | USD | 20251113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1326.47 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1333.52 | USD | 20251113 |
| Aite Zhejiang | China national standards | MT | 1312.35 | USD | 20251113 |
| Aite Zhejiang | China national standards | MT | 1157.13 | USD | 20251113 |
| Shandong Jinwen Chem | China national standards | MT | 1199.46 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1298.24 | USD | 20251113 |