| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.49 | USD | 20250630 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.4 | USD | 20250628 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.4 | USD | 20250627 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.42 | USD | 20250626 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.32 | USD | 20250625 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.35 | USD | 20250624 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.24 | USD | 20250623 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.27 | USD | 20250621 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.27 | USD | 20250620 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.2 | USD | 20250619 |