| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.15 | USD | 20250728 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.21 | USD | 20250726 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.21 | USD | 20250725 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.26 | USD | 20250724 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.22 | USD | 20250723 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.16 | USD | 20250722 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.07 | USD | 20250721 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.1 | USD | 20250719 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.1 | USD | 20250718 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.15 | USD | 20250717 |