| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 144.09 | USD | 20251129 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 144.09 | USD | 20251128 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 144.08 | USD | 20251126 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 144.08 | USD | 20251126 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 144.01 | USD | 20251125 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.97 | USD | 20251124 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.92 | USD | 20251122 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.92 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.92 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 143.85 | USD | 20251120 |