| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 964.14 | USD | 20251010 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 963.4 | USD | 20251009 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 964.04 | USD | 20250930 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 991.71 | USD | 20250929 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 963.58 | USD | 20250929 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 990.84 | USD | 20250928 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 990.84 | USD | 20250926 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 992.16 | USD | 20250925 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 992.16 | USD | 20250923 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 991.48 | USD | 20250922 |