| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNOOC | China national standards | MT | USD | 20250310 | |
| Lianyungang Shenghong | China national standards | MT | USD | 20250310 | |
| Taixing Yanchang | China national standards | MT | USD | 20250310 | |
| CNPC | China national standards | MT | USD | 20250310 | |
| Shandong Kenli Petro | China national standards | MT | USD | 20250310 | |
| Shandong Wonfull Petro | China national standards | MT | USD | 20250310 | |
| Dongying Shengda | China national standards | MT | USD | 20250310 | |
| Dongying Hualian Petro | China national standards | MT | USD | 20250310 | |
| DMZY Petroche | China national standards | MT | USD | 20250310 | |
| Binzhou Dayou Energy | China national standards | MT | USD | 20250310 |