| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.93 | USD | 20250805 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.87 | USD | 20250804 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.67 | USD | 20250802 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.67 | USD | 20250801 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.67 | USD | 20250731 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.78 | USD | 20250730 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.64 | USD | 20250729 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.72 | USD | 20250728 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.82 | USD | 20250726 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.82 | USD | 20250725 |