| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 955.7 | USD | 20250928 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.0 | USD | 20250928 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.0 | USD | 20250928 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 927.59 | USD | 20250928 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |