| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 539.53 | USD | 20250819 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 504.49 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 504.49 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 623.61 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 504.49 | USD | 20250819 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 700.68 | USD | 20250819 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 700.68 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 504.75 | USD | 20250818 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 771.15 | USD | 20250818 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 616.92 | USD | 20250818 |