| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.73 | USD | 20251121 |
| Shanghai Xianyue International Co., Ltd. | China national standards | MT | 1001.34 | USD | 20251120 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1015.44 | USD | 20251120 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1029.55 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1551.37 | USD | 20251120 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.2 | USD | 20251120 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1085.96 | USD | 20251120 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1241.1 | USD | 20251120 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1029.55 | USD | 20251120 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1114.17 | USD | 20251120 |