| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 907.73 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.7 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 935.88 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.4 | USD | 20250915 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 844.4 | USD | 20250915 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 900.7 | USD | 20250915 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 900.7 | USD | 20250915 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.26 | USD | 20250915 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.7 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.68 | USD | 20250914 |