| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250307 | |
| Sinopec | China national standards | MT | USD | 20250307 | |
| Shandong Chambroad | Isomer grade | MT | USD | 20250307 | |
| Sinopec | China national standards | MT | USD | 20250307 | |
| DMZY Petroche | China national standards | MT | USD | 20250307 | |
| Cangzhou Zhongjie | Isomer grade | MT | USD | 20250307 | |
| Hongrun Petro | Isomer grade | MT | USD | 20250307 | |
| Sinopec | Solvent grade | MT | USD | 20250307 | |
| Dongying Qirun Chem | Isomer grade | MT | USD | 20250307 | |
| Dongying Yatong | Isomer grade | MT | USD | 20250307 |
