| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 980.79 | USD | 20250816 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1015.82 | USD | 20250815 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1050.85 | USD | 20250815 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 980.79 | USD | 20250815 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 980.79 | USD | 20250815 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.89 | USD | 20250815 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1275.03 | USD | 20250815 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1092.88 | USD | 20250815 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1036.84 | USD | 20250815 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1120.9 | USD | 20250815 |