| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250928 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250927 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250926 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250923 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1055.07 | USD | 20250918 |