| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.53 | USD | 20251202 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.95 | USD | 20251201 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.59 | USD | 20251129 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.59 | USD | 20251128 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.71 | USD | 20251127 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.51 | USD | 20251126 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.15 | USD | 20251125 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 847.15 | USD | 20251125 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 846.9 | USD | 20251124 |
| Shandong Qiangsen Chemical Co., Ltd. | 85% | MT | 846.56 | USD | 20251122 |