| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Weifang Shuoxin Chemical Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.86 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.86 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.86 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.86 | USD | 20250918 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 787.79 | USD | 20250918 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.92 | USD | 20250918 |