| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 635.01 | USD | 20251106 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 634.69 | USD | 20251105 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 493.65 | USD | 20251105 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 493.76 | USD | 20251104 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 634.83 | USD | 20251104 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 634.99 | USD | 20251103 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 493.88 | USD | 20251103 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 493.79 | USD | 20251101 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 634.88 | USD | 20251101 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 493.79 | USD | 20251031 |