| Vendor | Spec | Unit | Price | Currency | Date |
| Zhenghe | China national standards | MT | 1015.87 | USD | 20251122 |
| Zibo Xintai Chem | China national standards | MT | 860.67 | USD | 20251121 |
| Shandong Wonfull Petro | China national standards | MT | 850.43 | USD | 20251120 |
| Dongying Hualian Petro | China national standards | MT | 833.93 | USD | 20251120 |
| Shandong Wonfull Petro | China national standards | MT | 846.6 | USD | 20251119 |
| Zhenghe | China national standards | MT | 1015.92 | USD | 20251119 |
| Dongying Hualian Petro | China national standards | MT | 827.27 | USD | 20251119 |
| Dongying Hualian Petro | China national standards | MT | 821.81 | USD | 20251118 |
| Shandong Wonfull Petro | China national standards | MT | 842.55 | USD | 20251118 |
| Zhenghe | China national standards | MT | 1016.15 | USD | 20251118 |