| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1270.74 | USD | 20251114 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1087.19 | USD | 20251114 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1241.8 | USD | 20251113 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1016.02 | USD | 20251113 |
| Shanghai Xianyue International Co., Ltd. | China national standards | MT | 1016.02 | USD | 20251113 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.25 | USD | 20251113 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1114.8 | USD | 20251113 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.91 | USD | 20251113 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.57 | USD | 20251113 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1030.59 | USD | 20251112 |