| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1272.39 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.91 | USD | 20251203 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1151.88 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.91 | USD | 20251203 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1823.22 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1060.01 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.91 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1187.21 | USD | 20251203 |