| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.42 | USD | 20251008 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.42 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.01 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 843.27 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 843.27 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.39 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.39 | USD | 20250924 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.39 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.39 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 843.81 | USD | 20250922 |