| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251229 | |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | USD | 20251229 | |
| CNPC | China national standards | MT | USD | 20251226 | |
| Shandong Shenchi Chem | China national standards | MT | USD | 20251226 | |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | USD | 20251226 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20251226 | |
| CNPC | China national standards | MT | USD | 20251225 | |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | USD | 20251225 | |
| CNPC | China national standards | MT | USD | 20251224 | |
| CNPC | China national standards | MT | USD | 20251223 |