| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1405.92 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1265.32 | USD | 20250919 |
| Shanghai Xianyue International Co., Ltd. | China national standards | MT | 1153.55 | USD | 20250918 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1406.77 | USD | 20250918 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |