| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.73 | USD | 20251015 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.57 | USD | 20251013 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251011 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.31 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.31 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20251008 |