| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 630.21 | USD | 20260306 |
| Shandong Dongming Petro | China national standards | MT | 617.33 | USD | 20260305 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 615.88 | USD | 20260305 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 593.14 | USD | 20260304 |
| Shandong Dongming Petro | China national standards | MT | 587.66 | USD | 20260303 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 570.58 | USD | 20260228 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 556.13 | USD | 20260227 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 547.47 | USD | 20260226 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 539.52 | USD | 20260225 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 535.07 | USD | 20260209 |