| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.54 | USD | 20250910 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.65 | USD | 20250909 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.6 | USD | 20250908 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.53 | USD | 20250906 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.56 | USD | 20250904 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.44 | USD | 20250903 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.48 | USD | 20250902 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.52 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.6 | USD | 20250830 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.6 | USD | 20250829 |