| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250924 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 830.32 | USD | 20250923 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 830.32 | USD | 20250923 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1068.83 | USD | 20250922 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.49 | USD | 20250920 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.49 | USD | 20250920 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.49 | USD | 20250919 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1068.5 | USD | 20250919 |