| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251102 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.64 | USD | 20251101 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.34 | USD | 20251101 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251101 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251031 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1551.92 | USD | 20251031 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1086.34 | USD | 20251031 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.64 | USD | 20251031 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1086.34 | USD | 20251031 |