| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.89 | USD | 20250724 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.83 | USD | 20250723 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.74 | USD | 20250722 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.61 | USD | 20250721 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.66 | USD | 20250719 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.66 | USD | 20250718 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.74 | USD | 20250717 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.61 | USD | 20250716 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.66 | USD | 20250715 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.68 | USD | 20250714 |