| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Dongying Qirun Chem | Isomer grade | MT | USD | 20260316 | |
| Dongying Yatong | Isomer grade | MT | USD | 20260316 | |
| Shandong Changyi Petro | Isomer grade | MT | USD | 20260316 | |
| CNPC | Isomer grade | MT | USD | 20260316 | |
| SD Dongfang Hualong | China national standards | MT | USD | 20260316 | |
| Shandong Yulong | China national standards | MT | USD | 20260316 | |
| Wudi Xinyue Chem | China national standards | MT | USD | 20260316 | |
| Hongrun Petro | China national standards | MT | USD | 20260316 | |
| Yulin Yanchang | China national standards | MT | USD | 20260316 | |
| Panjin Huajin | China national standards | MT | USD | 20260316 |
