| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1072.31 | USD | 20251121 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 740.77 | USD | 20251119 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.72 | USD | 20251119 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.72 | USD | 20251119 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.72 | USD | 20251119 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 740.94 | USD | 20251118 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.88 | USD | 20251118 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.88 | USD | 20251118 |