| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.09 | USD | 20250901 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.09 | USD | 20250901 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 773.86 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 506.53 | USD | 20250901 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 506.53 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 506.53 | USD | 20250901 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 703.51 | USD | 20250901 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 703.51 | USD | 20250901 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 703.51 | USD | 20250901 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.02 | USD | 20250831 |