| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 404.77 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 449.74 | USD | 20250928 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 323.25 | USD | 20250928 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 323.25 | USD | 20250928 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1138.41 | USD | 20250928 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 505.96 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 449.74 | USD | 20250928 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 562.18 | USD | 20250928 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 632.45 | USD | 20250928 |