| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Dongying Yatong | China national standards | MT | USD | 20251208 | |
| Shandong Qicheng | China national standards | MT | USD | 20251208 | |
| Hongrun Petro | China national standards | MT | USD | 20251208 | |
| Dongying CNOOC | China national standards | MT | USD | 20251208 | |
| Zibo Dream | China national standards | MT | USD | 20251208 | |
| Zibo Xintai Chem | China national standards | MT | USD | 20251208 | |
| Shandong Wantong | China national standards | MT | USD | 20251208 | |
| Qingdao Jinneng | China national standards | MT | USD | 20251208 | |
| Dongying Eastar | China national standards | MT | USD | 20251208 | |
| Dongying Qirun Chem | China national standards | MT | USD | 20251208 |
