| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 846.56 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 846.2 | USD | 20251120 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 846.2 | USD | 20251120 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 846.6 | USD | 20251119 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 846.79 | USD | 20251118 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.27 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.16 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 846.68 | USD | 20251113 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.06 | USD | 20251112 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 846.67 | USD | 20251111 |