| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1553.32 | USD | 20251117 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1016.72 | USD | 20251117 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1242.66 | USD | 20251117 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1242.5 | USD | 20251116 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1270.74 | USD | 20251115 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.19 | USD | 20251115 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1256.62 | USD | 20251115 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251115 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251114 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251114 |