| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250924 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.38 | USD | 20250924 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250924 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1069.56 | USD | 20250923 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 956.98 | USD | 20250923 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.38 | USD | 20250923 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1238.44 | USD | 20250923 |