| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 801.1 | USD | 20250927 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.21 | USD | 20250927 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.1 | USD | 20250927 |
| Shandong Yushuo Chemical Co., Ltd. | Industrial Grade | MT | 829.21 | USD | 20250927 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.16 | USD | 20250927 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.16 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 899.48 | USD | 20250926 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |
| Guangzhou Longyu Chemical Co., Ltd. | China national standards | MT | 1335.17 | USD | 20250926 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.16 | USD | 20250926 |