| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1040.7 | USD | 20250922 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250919 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1041.01 | USD | 20250918 |