| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 656.41 | USD | 20260116 |
| Lihuayi Weiyuan Chem | China national standards | MT | 649.41 | USD | 20260115 |
| Lihuayi Weiyuan Chem | China national standards | MT | 649.41 | USD | 20260115 |
| Sinopec | China national standards | MT | 663.68 | USD | 20260115 |
| Beijing Yanshan Petro | China national standards | MT | 649.04 | USD | 20260113 |
| Sinopec | China national standards | MT | 649.04 | USD | 20260113 |
| Shiyou Yangzhou Chem | China national standards | MT | 634.78 | USD | 20260113 |
| Sinopec | China national standards | MT | 634.78 | USD | 20260113 |
| Sinopec | China national standards | MT | 649.04 | USD | 20260113 |
| Beijing Yanshan Petro | China national standards | MT | 649.04 | USD | 20260113 |