| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Dongying Qirun Chem | Isomer grade | MT | USD | 20250311 | |
| Dongying Yatong | Isomer grade | MT | USD | 20250311 | |
| CNPC | Isomer grade | MT | USD | 20250311 | |
| Binzhou Youtai | China national standards | MT | USD | 20250311 | |
| Shandong Yulong | China national standards | MT | USD | 20250311 | |
| Wudi Xinyue Chem | China national standards | MT | USD | 20250311 | |
| Panjin Huajin | China national standards | MT | USD | 20250311 | |
| CNPC | China national standards | MT | USD | 20250310 | |
| INEOS Ypc Nanjing | China national standards | MT | USD | 20250310 | |
| Weifang Hongrun | China national standards | MT | USD | 20250310 |