| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 489.44 | USD | 20250729 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 629.27 | USD | 20250729 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 629.66 | USD | 20250728 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 489.74 | USD | 20250728 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.07 | USD | 20250726 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.08 | USD | 20250726 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.08 | USD | 20250725 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.07 | USD | 20250725 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 490.3 | USD | 20250724 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 630.38 | USD | 20250724 |