| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 633.63 | USD | 20250912 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 633.5 | USD | 20250911 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 492.72 | USD | 20250911 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 633.25 | USD | 20250910 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 492.53 | USD | 20250910 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 492.9 | USD | 20250909 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 633.73 | USD | 20250909 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 633.54 | USD | 20250908 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 492.76 | USD | 20250908 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 492.6 | USD | 20250904 |