| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250418 | |
| Shandong Wonfull Petro | China national standards | MT | USD | 20250418 | |
| Dongying Qirun Chem | China national standards | MT | USD | 20250418 | |
| Dongying Weilian | China national standards | MT | USD | 20250418 | |
| Hongrun Petro | China national standards | MT | USD | 20250418 | |
| Shandong Kenli Petro | China national standards | MT | USD | 20250418 | |
| Qicheng Shandong Petro | China national standards | MT | USD | 20250418 | |
| Wudi Xinyue Chem | China national standards | MT | USD | 20250418 | |
| Beijing UNITED | China national standards | MT | USD | 20250418 | |
| Shandong Wantong | China national standards | MT | USD | 20250418 |
