| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 799.19 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 799.19 | USD | 20250818 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 785.17 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 883.32 | USD | 20250818 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.27 | USD | 20250818 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 848.27 | USD | 20250818 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 742.6 | USD | 20250816 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 742.6 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.65 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.65 | USD | 20250816 |