| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.68 | USD | 20250714 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.71 | USD | 20250712 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.71 | USD | 20250711 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.64 | USD | 20250710 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.58 | USD | 20250709 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.59 | USD | 20250708 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.65 | USD | 20250707 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.59 | USD | 20250705 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.59 | USD | 20250704 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.61 | USD | 20250703 |