| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.92 | USD | 20251119 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.95 | USD | 20251118 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 144.04 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 144.04 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 144.02 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.94 | USD | 20251113 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 144.0 | USD | 20251112 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.93 | USD | 20251111 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.95 | USD | 20251110 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.99 | USD | 20251108 |