| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 788.1 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 935.87 | USD | 20250925 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.25 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 907.72 | USD | 20250925 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.25 | USD | 20250925 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Shandong Yushuo Chemical Co., Ltd. | Industrial Grade | MT | 830.32 | USD | 20250925 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 900.69 | USD | 20250925 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 900.69 | USD | 20250925 |