| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1140.73 | USD | 20251013 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1140.07 | USD | 20251011 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1139.21 | USD | 20251009 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1139.42 | USD | 20250929 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1082.19 | USD | 20250928 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1138.41 | USD | 20250928 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1082.19 | USD | 20250926 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250926 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250923 |