| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Xintai Chem | China national standards | MT | 912.06 | USD | 20251010 |
| Shaanxi Lufeng Chem | China national standards | MT | 836.12 | USD | 20251009 |
| Dongying Hualian Petro | China national standards | MT | 911.79 | USD | 20251009 |
| Zhenghe | China national standards | MT | 1012.63 | USD | 20251009 |
| Shandong Wonfull Petro | China national standards | MT | 928.24 | USD | 20251009 |
| Zibo Xintai Chem | China national standards | MT | 907.15 | USD | 20251009 |
| Zhenghe | China national standards | MT | 1013.3 | USD | 20251008 |
| Zhenghe | China national standards | MT | 1013.3 | USD | 20251006 |
| Zhenghe | China national standards | MT | 1013.3 | USD | 20251005 |
| Zhenghe | China national standards | MT | 1013.3 | USD | 20251004 |