| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 794.34 | USD | 20250919 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| 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 |
| 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 |