| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20260303 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20260303 | |
| CNPC | China national standards | MT | USD | 20260302 | |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | USD | 20260228 | |
| CNPC | China national standards | MT | USD | 20260227 | |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | USD | 20260227 | |
| CNPC | China national standards | MT | USD | 20260226 | |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | USD | 20260226 | |
| CNPC | China national standards | MT | USD | 20260225 | |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | USD | 20260225 |