| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 1037.54 | USD | 20260513 |
| CNPC | China national standards | MT | 1043.39 | USD | 20260513 |
| CNPC | China national standards | MT | 1021.54 | USD | 20260512 |
| CNPC | China national standards | MT | 1020.93 | USD | 20260511 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 1021.87 | USD | 20260509 |
| CNPC | China national standards | MT | 1020.41 | USD | 20260509 |
| CNPC | China national standards | MT | 1020.41 | USD | 20260508 |
| CNPC | China national standards | MT | 1020.63 | USD | 20260507 |
| Shandong Dongming Petro | China national standards | MT | 999.1 | USD | 20260506 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 991.8 | USD | 20260506 |