| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 749.08 | USD | 20251210 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 746.05 | USD | 20251209 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 741.9 | USD | 20251208 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 742.06 | USD | 20251205 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 742.23 | USD | 20251204 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 742.01 | USD | 20251203 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 741.96 | USD | 20251201 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 741.75 | USD | 20251127 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 741.57 | USD | 20251126 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 734.19 | USD | 20251125 |