| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.58 | USD | 20250809 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.58 | USD | 20250808 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.58 | USD | 20250808 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 883.03 | USD | 20250807 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 883.03 | USD | 20250807 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.24 | USD | 20250806 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.24 | USD | 20250806 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.77 | USD | 20250805 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.77 | USD | 20250805 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.41 | USD | 20250804 |