| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNOOC | China national standards | MT | USD | 20250820 | |
| Lianyungang Shenghong | China national standards | MT | USD | 20250820 | |
| CNPC | China national standards | MT | USD | 20250820 | |
| Shandong Kenli Petro | China national standards | MT | USD | 20250820 | |
| Shandong Wonfull Petro | China national standards | MT | USD | 20250820 | |
| Shandong Shenchi Chem | China national standards | MT | USD | 20250820 | |
| Shandong Chambroad | China national standards | MT | USD | 20250820 | |
| Binzhou Dayou Energy | China national standards | MT | USD | 20250820 | |
| Dongying Haike | China national standards | MT | USD | 20250820 | |
| Wanhua Chem | China national standards | MT | USD | 20250820 |
