| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.25 | USD | 20251127 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1554.13 | USD | 20251127 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.89 | USD | 20251127 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1257.44 | USD | 20251127 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1116.15 | USD | 20251127 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1017.25 | USD | 20251127 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1200.92 | USD | 20251127 |
| Shanghai Xianyue International Co., Ltd. | China national standards | MT | 1020.08 | USD | 20251127 |
| Shanghai Xinhang Trading Co., Ltd. | China national standards | MT | 1017.25 | USD | 20251127 |