| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.45 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.45 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.4 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.4 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.49 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.61 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.55 | USD | 20250915 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.62 | USD | 20250913 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.62 | USD | 20250912 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.59 | USD | 20250911 |