| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1251.27 | USD | 20250919 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1237.21 | USD | 20250919 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1546.51 | USD | 20250919 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1405.92 | USD | 20250919 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| 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 |