| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251021 | |
| DMZY Petroche | China national standards | MT | USD | 20251021 | |
| Dongying Yatong | China national standards | MT | USD | 20251021 | |
| Dongying CNOOC | China national standards | MT | USD | 20251021 | |
| Shandong Fuhai | China national standards | MT | USD | 20251021 | |
| Dongying Tianhong | China national standards | MT | USD | 20251021 | |
| CNPC | China national standards | MT | USD | 20251021 | |
| Dongying Weilian | China national standards | MT | USD | 20251021 | |
| Hongrun Petro | China national standards | MT | USD | 20251021 | |
| Qicheng Shandong Petro | China national standards | MT | USD | 20251021 |
