| Vendor | Spec | Unit | Price | Currency | Date |
| Zhenghe | China national standards | MT | 1017.34 | USD | 20251209 |
| Zhenghe | China national standards | MT | 1017.47 | USD | 20251208 |
| Zibo Xintai Chem | China national standards | MT | 876.15 | USD | 20251208 |
| Dongying Hualian Petro | China national standards | MT | 855.38 | USD | 20251208 |
| Shaanxi Lufeng Chem | China national standards | MT | 784.3 | USD | 20251208 |
| Shandong Wonfull Petro | China national standards | MT | 880.39 | USD | 20251208 |
| Dongying Hualian Petro | China national standards | MT | 851.32 | USD | 20251205 |
| Shandong Wonfull Petro | China national standards | MT | 872.1 | USD | 20251205 |
| Zhenghe | China national standards | MT | 1017.68 | USD | 20251205 |
| Zibo Xintai Chem | China national standards | MT | 876.34 | USD | 20251205 |