| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 872.29 | USD | 20251204 |
| Zibo Xintai Chem | China national standards | MT | 876.54 | USD | 20251204 |
| Zhenghe | China national standards | MT | 1017.91 | USD | 20251204 |
| Dongying Hualian Petro | China national standards | MT | 851.51 | USD | 20251204 |
| Dongying Hualian Petro | China national standards | MT | 851.26 | USD | 20251203 |
| Shandong Wonfull Petro | China national standards | MT | 873.45 | USD | 20251203 |
| Zibo Xintai Chem | China national standards | MT | 876.28 | USD | 20251203 |
| Shandong Wonfull Petro | China national standards | MT | 868.72 | USD | 20251202 |
| Zhenghe | China national standards | MT | 1017.04 | USD | 20251202 |
| Shaanxi Lufeng Chem | China national standards | MT | 791.03 | USD | 20251202 |