| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1199.29 | USD | 20251122 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.42 | USD | 20251122 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1086.42 | USD | 20251122 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.42 | USD | 20251121 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1241.62 | USD | 20251121 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1015.87 | USD | 20251121 |
| Shanghai Xianyue International Co., Ltd. | China national standards | MT | 1022.93 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.03 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.73 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.73 | USD | 20251121 |