| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1057.81 | USD | 20251105 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1058.05 | USD | 20251104 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1058.32 | USD | 20251103 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251101 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251031 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1058.37 | USD | 20251030 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1058.68 | USD | 20251029 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1058.48 | USD | 20251028 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251025 |