| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 901.04 | USD | 20250908 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 943.28 | USD | 20250908 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.73 | USD | 20250908 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 746.17 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.73 | USD | 20250908 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 844.73 | USD | 20250908 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 901.04 | USD | 20250908 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 901.04 | USD | 20250908 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.3 | USD | 20250907 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250907 |