| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20260311 | |
| CNPC | China national standards | MT | USD | 20260310 | |
| CNPC | China national standards | MT | USD | 20260309 | |
| CNPC | China national standards | MT | USD | 20260306 | |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | USD | 20260306 | |
| CNPC | China national standards | MT | USD | 20260305 | |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | USD | 20260305 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20260305 | |
| CNPC | China national standards | MT | USD | 20260304 | |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | USD | 20260304 |