| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 845.68 | USD | 20251018 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 845.68 | USD | 20251017 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 845.45 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 845.13 | USD | 20251015 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.82 | USD | 20251014 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.99 | USD | 20251013 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.5 | USD | 20251011 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 844.5 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 843.86 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 843.86 | USD | 20251009 |