| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Chambroad | China national standards | MT | USD | 20250311 | |
| Dongying Yatong | China national standards | MT | USD | 20250311 | |
| Dongying CNOOC | China national standards | MT | USD | 20250311 | |
| Shandong Fuhai | China national standards | MT | USD | 20250311 | |
| Huizhou Jincheng Petro | China national standards | MT | USD | 20250311 | |
| Dongying Tianhong | China national standards | MT | USD | 20250311 | |
| CNPC | China national standards | MT | USD | 20250311 | |
| Shandong Wonfull Petro | China national standards | MT | USD | 20250311 | |
| Dongying Qirun Chem | China national standards | MT | USD | 20250311 | |
| Dongying Weilian | China national standards | MT | USD | 20250311 |
