| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Dongying Weilian | China national standards | MT | USD | 20250514 | |
| Hongrun Petro | China national standards | MT | USD | 20250514 | |
| Shandong Kenli Petro | China national standards | MT | USD | 20250514 | |
| Qicheng Shandong Petro | China national standards | MT | USD | 20250514 | |
| Wudi Xinyue Chem | China national standards | MT | USD | 20250514 | |
| Beijing UNITED | China national standards | MT | USD | 20250514 | |
| Shandong Wantong | China national standards | MT | USD | 20250514 | |
| SD Dongfang Hualong | China national standards | MT | USD | 20250514 | |
| Sinopec | China national standards | MT | USD | 20250514 | |
| CNPC | China national standards | MT | USD | 20250514 |
