| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.97 | USD | 20250821 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 631.25 | USD | 20250821 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.31 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.39 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.48 | USD | 20250819 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.61 | USD | 20250819 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.94 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.73 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.4 | USD | 20250816 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.51 | USD | 20250816 |