| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1072.79 | USD | 20251029 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1256.07 | USD | 20251028 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251028 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251028 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1044.37 | USD | 20251028 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251028 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251028 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1270.18 | USD | 20251028 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.44 | USD | 20251028 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1270.18 | USD | 20251028 |