| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 337.76 | USD | 20250923 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 351.83 | USD | 20250923 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.79 | USD | 20250923 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 337.76 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.09 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 405.31 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 450.34 | USD | 20250923 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 323.68 | USD | 20250923 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 323.68 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 351.83 | USD | 20250923 |