| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 900.6 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.6 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 907.63 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 935.78 | USD | 20250905 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.81 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.31 | USD | 20250905 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.6 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.88 | USD | 20250902 |