| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.55 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.48 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.36 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.36 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.36 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.55 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.55 | USD | 20250924 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.55 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.45 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.45 | USD | 20250922 |