| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.92 | USD | 20250816 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.92 | USD | 20250815 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.98 | USD | 20250814 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.96 | USD | 20250813 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.82 | USD | 20250812 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.85 | USD | 20250811 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.89 | USD | 20250809 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.89 | USD | 20250808 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.97 | USD | 20250807 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.84 | USD | 20250806 |