| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 889.13 | USD | 20251028 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 889.13 | USD | 20251028 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.81 | USD | 20251027 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.81 | USD | 20251027 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251025 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251025 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |