| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1280.55 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1013.19 | USD | 20250828 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 999.11 | USD | 20250828 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 999.11 | USD | 20250828 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1055.4 | USD | 20250828 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1125.76 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1252.41 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1076.51 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.62 | USD | 20250828 |