| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.27 | USD | 20250620 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.2 | USD | 20250619 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.14 | USD | 20250618 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.14 | USD | 20250618 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.17 | USD | 20250617 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.08 | USD | 20250616 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.89 | USD | 20250614 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.89 | USD | 20250613 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.89 | USD | 20250612 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.89 | USD | 20250611 |