| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.58 | USD | 20251130 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1073.61 | USD | 20251129 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 727.51 | USD | 20251129 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.58 | USD | 20251129 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 727.51 | USD | 20251128 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.58 | USD | 20251128 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.58 | USD | 20251128 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.58 | USD | 20251128 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 727.62 | USD | 20251127 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1073.76 | USD | 20251127 |