| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250906 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.02 | USD | 20250906 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250905 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.03 | USD | 20250905 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1139.82 | USD | 20250905 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1055.39 | USD | 20250905 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.02 | USD | 20250905 |
| Jiangsu Jurong Chemical Co., Ltd. | China national standards | MT | 914.67 | USD | 20250905 |
| Jiangsu Jurong Chemical Co., Ltd. | China national standards | MT | 914.82 | USD | 20250904 |